image-partition: Add support setting volume ID for vfat
image-partition: Add support setting volume ID for vfat

volume ID of vfat partition can be used in place of UUID
Setting value should be 32 bit hexadecimal number

Signed-off-by: Nguyen Thi Huong <e753973d13925fe17a5d18d62689670601c3189c@toshiba.co.jp>

go-debos/debos