[media] tm6000: remove deprecated current_norm

Replace current_norm by g_std. Also initialize the standard to the more
common NTSC-M format (which is also what current_norm used).

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/usb/tm6000/tm6000-cards.c b/drivers/media/usb/tm6000/tm6000-cards.c
index 307d8c5..1ccaadd 100644
--- a/drivers/media/usb/tm6000/tm6000-cards.c
+++ b/drivers/media/usb/tm6000/tm6000-cards.c
@@ -1114,7 +1114,7 @@
 	/* Default values for STD and resolutions */
 	dev->width = 720;
 	dev->height = 480;
-	dev->norm = V4L2_STD_PAL_M;
+	dev->norm = V4L2_STD_NTSC_M;
 
 	/* Configure tuner */
 	tm6000_config_tuner(dev);