genimage.cfg, bump fat partition sice and remove un-needed boot files

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

deploy/genimage.cfg

@@ -5,15 +5,10 @@ image boot.vfat {
 		files = {
 			"beaglev_fire.itb",
 			"boot.scr",
-			"mpfs-beaglev-fire.dtb",
-			"Image"
 		}
-		#file extlinux/extlinux.conf {
-		#	image = extlinux.conf
-		#}
 	}
 
-	size = 60M
+	size = 128M
 }
 
 image sdcard.img {
@@ -32,7 +27,7 @@ image sdcard.img {
 		image = "boot.vfat"
 	}
 
-	partition root {
+	partition rootfs {
 		partition-type-uuid = L
 		image = "root.ext4"
 	}