Merge pull request #66 from yue-xiaomin/dev

del(duo nor/nand):del genimage config

device/milkv-duo-spinand/genimage.cfg

-flash nand-128M-2048 {
-	pebsize = 131072
-	numpebs = 1024
-	minimum-io-unit-size = 2048
-}
-
-image milkv-duospinand.img {
-	flash {
-	}
-	flashtype = "nand-128M-2048"
-
-	partition fip {
-		image = "fip.bin"
-		size = 2560k
-	}
-
-	partition boot {
-		image = "rawimages/boot.spinand"
-		size = 6144k
-	}
-
-	partition env {
-		size = 128k
-	}
-
-	partition env_bak {
-		size = 128k
-	}
-
-	partition rootfs {
-		image = "rootfs.spinand"
-		size = 40960k
-	}
-
-	partition system {
-		image = "rawimages/system.spinand"
-		size = 71680k
-
-	partition cfg {
-		image = "rawimages/cfg.spinand"
-		size = 4096k
-	}
-}

device/milkv-duo-spinor/genimage.cfg

-flash nor-32M-256 {
-	pebsize = 4096
-	numpebs = 8192
-	minimum-io-unit-size = 256
-}
-
-image milkv-duospinor.img {
-	flash {
-	}
-	flashtype = "nor-32M-256"
-
-	partition fip {
-		image = "fip.bin"
-		size = 640k
-	}
-
-	partition boot {
-		image = "rawimages/boot.spinor"
-		size = 4096k
-	}
-
-	partition env {
-		size = 64k
-	}
-
-	partition rootfs {
-		image = "rawimages/rootfs.spinor"
-		size = 27968k
-	}
-}