plain syslinux with mbr works

Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>

scripts/installer/set-disk-partitions

@@ -4,6 +4,10 @@ set -e
 set -x
 
 DEVICE=${1}
+DISKTYPE=${2}
+if [[ -z $DISKTYPE ]]; then
+	DISKTYPE="msdos"
+fi
 
 if [[ -z $DEVICE ]]; then
     echo "Need to Pass a device name as arg1." 1>&2
@@ -33,7 +37,7 @@ fi
 dd if=/dev/zero of=${DEVICE} bs=512 count=2048
 partprobe ${DEVICE}
 
-parted -s -a optimal ${DEVICE} mklabel msdos -- \
+parted -s -a optimal ${DEVICE} mklabel ${DISKTYPE} -- \
   mkpart primary ext4 1 -1 \
   set 1 boot on