Add linuxboot to BLOBS

We should install linuxboot.bin too, so let's add it to the to-be-installed
blobs.
Signed-off-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Makefile

@@ -264,7 +264,7 @@ pxe-e1000.bin pxe-i82559er.bin \
 pxe-ne2k_pci.bin pxe-pcnet.bin \
 pxe-rtl8139.bin pxe-virtio.bin \
 bamboo.dtb petalogix-s3adsp1800.dtb \
-multiboot.bin
+multiboot.bin linuxboot.bin
 else
 BLOBS=
 endif