wic: misc.py: Use mmd from mtools instead of syslinux
mtools already provides a suite of msdos utilities, switch to this
one also. This could allow for future changes to reduce wic's
dependecies.
(From OE-Core rev: 13851100b81ce901069ef167d6b9b0faedb3f466)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>