virtio-console: Rename virtio-serial.c back to virtio-console.c

This file was renamed to ease the reviews of the recent changes
that went in.

Now that the changes are done, rename the file back to its original
name.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/Makefile.objs b/Makefile.objs
index 77ff7f6..e791dd5 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -127,7 +127,7 @@
 
 hw-obj-y =
 hw-obj-y += loader.o
-hw-obj-y += virtio.o virtio-serial.o
+hw-obj-y += virtio.o virtio-console.o
 hw-obj-y += fw_cfg.o
 hw-obj-y += watchdog.o
 hw-obj-$(CONFIG_ECC) += ecc.o
diff --git a/hw/virtio-serial.c b/hw/virtio-console.c
similarity index 100%
rename from hw/virtio-serial.c
rename to hw/virtio-console.c