kvm tools: move util.c to util/

util.c is a lib for kvm.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

Makefile

@@ -52,7 +52,6 @@ OBJS	+= main.o
 OBJS	+= mmio.o
 OBJS	+= pci.o
 OBJS	+= term.o
-OBJS	+= util.o
 OBJS	+= virtio/blk.o
 OBJS	+= virtio/console.o
 OBJS	+= virtio/core.o
@@ -81,6 +80,7 @@ OBJS	+= util/parse-options.o
 OBJS	+= util/rbtree-interval.o
 OBJS	+= util/strbuf.o
 OBJS	+= util/read-write.o
+OBJS	+= util/util.o
 OBJS	+= virtio/9p.o
 OBJS	+= virtio/9p-pdu.o
 OBJS	+= hw/vesa.o