staging: rtl8723au: Move last utility function from osdep_service.c to os_intfs.c

No point carrying a dedicated file just for this small helper, so move
it to os_intfs.c and get rid of osdep_service.c
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/Makefile

@@ -45,7 +45,6 @@ r8723au-y :=				\
 		hal/usb_ops_linux.o	\
 		os_dep/ioctl_cfg80211.o	\
 		os_dep/mlme_linux.o	\
-		os_dep/osdep_service.o	\
 		os_dep/os_intfs.o	\
 		os_dep/recv_linux.o	\
 		os_dep/usb_intf.o	\

drivers/staging/rtl8723au/os_dep/os_intfs.c

@@ -884,3 +884,9 @@ void rtw_ndev_destructor(struct net_device *ndev)
 	kfree(ndev->ieee80211_ptr);
 	free_netdev(ndev);
 }
+
+void _rtw_init_queue23a(struct rtw_queue *pqueue)
+{
+	INIT_LIST_HEAD(&pqueue->queue);
+	spin_lock_init(&pqueue->lock);
+}