mainboard/asus/kfsn4-dre: Use Fallback boot image by default

Change-Id: Ib58550acda63132e35a526c72ac7d987b457cea5
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/8686
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
1 file changed