Add the syslinux mbr to amd64/bin
There may be a better place but this works.
To install, e.g.:
disk/mbr -m /amd64/bin/syslinuxmbr.bin /dev/sdE0
Change-Id: I1b1c5e99eef5378a3af656b8fbd128c5d04c259f
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>