hid: Add module.h to fix up implicit users of it

A pending cleanup will mean that module.h won't be implicitly
everywhere anymore.  Make sure the modular drivers in clocksource
are actually calling out for <module.h> explicitly in advance.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/hid/hid-axff.c b/drivers/hid/hid-axff.c
index 3bdb450..5be858d 100644
--- a/drivers/hid/hid-axff.c
+++ b/drivers/hid/hid-axff.c
@@ -31,6 +31,7 @@
 #include <linux/slab.h>
 #include <linux/usb.h>
 #include <linux/hid.h>
+#include <linux/module.h>
 
 #include "hid-ids.h"