Add a KVM guest subtarget to the x86 target. Since VirtIO is the
preferred I/O virtualization platform for kvm, this target expects it's
root device to be /dev/vda.
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22944 3c298f89-4303-0410-b956-a3cf2f4a3e73
