The default installed syslinux depends on mtools, we install
syslinux-nomtools too, which has the ext2/3/4 support.
(From OE-Core rev: 649110f5ab435231153e8f309ad2370e76c31e4f)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>