QMP/README: Update QMP homepage address

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/QMP/README b/QMP/README
index 7e2b51a..80503f2 100644
--- a/QMP/README
+++ b/QMP/README
@@ -88,4 +88,4 @@
 Homepage
 --------
 
-http://www.linux-kvm.org/page/MonitorProtocol
+http://wiki.qemu.org/QMP