Update boards.txt (#2933)

* Update boards.txt

Adding ESP32-WROOM-32 8MB flash option

* Update boards.txt

Fixing partition size and typo

* Update boards.txt

boards.txt

@@ -44,6 +44,8 @@ esp32.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SPIF
 esp32.menu.PartitionScheme.default.build.partitions=default
 esp32.menu.PartitionScheme.defaultffat=Default 4MB with ffat (1.2MB APP/1.5MB FATFS)
 esp32.menu.PartitionScheme.defaultffat.build.partitions=default_ffat
+esp32.menu.PartitionScheme.default_8MB=8M Flash (3MB APP/1.5MB FAT)
+esp32.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
 esp32.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
 esp32.menu.PartitionScheme.minimal.build.partitions=minimal
 esp32.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
@@ -104,6 +106,9 @@ esp32.menu.FlashFreq.40.build.flash_freq=40m
 
 esp32.menu.FlashSize.4M=4MB (32Mb)
 esp32.menu.FlashSize.4M.build.flash_size=4MB
+esp32.menu.FlashSize.8M=8MB (64Mb)
+esp32.menu.FlashSize.8M.build.flash_size=8MB
+esp32.menu.FlashSize.8M.build.partitions=default_8MB
 esp32.menu.FlashSize.2M=2MB (16Mb)
 esp32.menu.FlashSize.2M.build.flash_size=2MB
 esp32.menu.FlashSize.2M.build.partitions=minimal
@@ -2755,7 +2760,7 @@ heltec_wifi_lora_32_V2.menu.FlashFreq.40.build.flash_freq=40m
 
 heltec_wifi_lora_32_V2.menu.FlashSize.8M=8MB (64Mb)
 heltec_wifi_lora_32_V2.menu.FlashSize.8M.build.flash_size=8MB
-heltec_wifi_lora_32_V2.menu.FlashSize.2M.build.partitions=default_8MB
+heltec_wifi_lora_32_V2.menu.FlashSize.8M.build.partitions=default_8MB
 heltec_wifi_lora_32_V2.menu.FlashSize.4M=4MB (32Mb)
 heltec_wifi_lora_32_V2.menu.FlashSize.4M.build.flash_size=4MB
 heltec_wifi_lora_32_V2.menu.FlashSize.2M=2MB (16Mb)