init-install-efi.sh: Skip CDROM devices during probe

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install.sh: Skip CDROM devices during probe

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install-efi.sh: Force the boot partition to be 32-bit FAT

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>