imx6: standardise filesystem and boot options

Move all standard filesystem, partition and fdt options to mx6_common.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
diff --git a/include/configs/mx6_common.h b/include/configs/mx6_common.h
index 07fc3e8..c323038 100644
--- a/include/configs/mx6_common.h
+++ b/include/configs/mx6_common.h
@@ -67,6 +67,17 @@
 #define CONFIG_CONS_INDEX       1
 #define CONFIG_BAUDRATE         115200
 
+/* Filesystems and image support */
+#define CONFIG_OF_LIBFDT
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_SUPPORT_RAW_INITRD
+#define CONFIG_CMD_FS_GENERIC
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+#define CONFIG_CMD_FAT
+
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_NO_FLASH
 #undef CONFIG_CMD_IMLS