usb: board: goni: Add default board_usb_cleanup() definition for Goni board

This definition is necessary for S5PC110 based GONI board to work properly.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index 58cf96e..d943d63 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -206,3 +206,8 @@
 	return 0;
 }
 #endif
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+	return 0;
+}