[media] rtl28xxu: lower the rc poll time to mitigate i2c transfer errors

The Astrometa device has issues with i2c transfers. Lowering the
poll time somehow makes these errors disappear.
Signed-off-by: NBenjamin Larsson <benjamin@southpole.se>
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/usb/dvb-usb-v2/rtl28xxu.c

@@ -1611,7 +1611,7 @@ static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
 	rc->allowed_protos = RC_BIT_ALL;
 	rc->driver_type = RC_DRIVER_IR_RAW;
 	rc->query = rtl2832u_rc_query;
-	rc->interval = 400;
+	rc->interval = 200;
 
 	return 0;
 }