feat(partition): Add 4MB No File System partition scheme (#9769)

Adds partition scheme with two apps, 2MB each.

boards.txt

@@ -87,6 +87,9 @@ esp32c2.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SP
 esp32c2.menu.PartitionScheme.default.build.partitions=default
 esp32c2.menu.PartitionScheme.defaultffat=Default 4MB with ffat (1.2MB APP/1.5MB FATFS)
 esp32c2.menu.PartitionScheme.defaultffat.build.partitions=default_ffat
+esp32c2.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32c2.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32c2.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32c2.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32c2.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32c2.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -223,6 +226,9 @@ esp32h2.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32h2.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32h2.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32h2.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32h2.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32h2.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32h2.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32h2.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32h2.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32h2.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -400,6 +406,9 @@ esp32c6.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32c6.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32c6.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32c6.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32c6.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32c6.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32c6.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32c6.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32c6.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32c6.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -666,6 +675,9 @@ esp32s3.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32s3.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32s3.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32s3.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32s3.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32s3.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32s3.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32s3.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32s3.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32s3.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -828,6 +840,9 @@ esp32c3.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32c3.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32c3.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32c3.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32c3.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32c3.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32c3.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32c3.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32c3.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32c3.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -1026,6 +1041,9 @@ esp32s2.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32s2.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32s2.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32s2.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32s2.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32s2.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32s2.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32s2.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32s2.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32s2.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -1199,6 +1217,9 @@ esp32.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
@@ -1369,6 +1390,9 @@ esp32da.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32da.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
 esp32da.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32da.menu.PartitionScheme.minimal.build.partitions=minimal
+esp32da.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32da.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32da.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
 esp32da.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
 esp32da.menu.PartitionScheme.no_ota.build.partitions=no_ota
 esp32da.menu.PartitionScheme.no_ota.upload.maximum_size=2097152

tools/partitions/no_fs.csv

+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x1F0000,
+app1,     app,  ota_1,   0x200000,0x1F0000,
+coredump, data, coredump,0x3F0000,0x10000,