hw/ps2.c -> hw/input/

Change-Id: I9306857c10cacb19170da762c744e714a328b3bf
diff --git a/Makefile.target b/Makefile.target
index 8dafe97..5faae50 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -123,7 +123,7 @@
     timer/i8254.c \
     pckbd.c \
     ioapic.c \
-    ps2.c \
+    input/ps2.c \
     smbios.c \
     fw_cfg.c