bluetooth: add module.h to drivers/bluetooth files as required.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index c827d73..9ef4816 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -23,6 +23,7 @@
 
 #include <linux/mmc/sdio_ids.h>
 #include <linux/mmc/sdio_func.h>
+#include <linux/module.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>