USB: dwc3: Fix compilation error when debugfs is disabled

The code does not compile with debugfs disabled. Fix this.

Change-Id: I19b784495b57e7fc0c57b455dd80a63b79177569
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index 4901f4b..57d27cd 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -48,15 +48,17 @@
 extern void dwc3_debugfs_exit(struct dwc3 *);
 extern void dbg_print_reg(const char *name, int reg);
 #else
-static inline void dbg_event(u8, const char*, int)
+static inline void dbg_event(u8 ep_num, const char *name, int status)
 {  }
-static inline void dbg_print(u8, const char*, int, const char*)
+static inline void dbg_print(u8 ep_num, const char *name, int status,
+			     const char *extra)
 {  }
-static inline void dbg_done(u8, const u32, int)
+static inline void dbg_done(u8 ep_num, const u32 count, int status)
 {  }
-static inline void dbg_queue(u8, const struct usb_request*, int)
+static inline void dbg_queue(u8 ep_num, const struct usb_request *req,
+			     int status)
 {  }
-static inline void dbg_setup(u8, const struct usb_ctrlrequest*)
+static inline void dbg_setup(u8 ep_num, const struct usb_ctrlrequest *req)
 {  }
 static inline void dbg_print_reg(const char *name, int reg)
 {  }