If fat16 is specified to the mkpart parted command, parted will
default to setting the lba flag which causes certain EFI firmware
to fail to detect the filesystem. lba shouldn't be necessary for
FAT16 filesystems anyway, explicitly disable it.
Signed-off-by: Darren Hart <dvhart@linux.intel.com> Cc: Tom Zanussi <tom.zanussi@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>