media: streamzap: ensure rx resolution can be retrieved

The receiver resolution is not populated. The resolution can be used to for
various purposes like calculating the margins the decoder should use.

Signed-off-by: Sean Young <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/rc/streamzap.c

···
 	rdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
 	rdev->driver_name = DRIVER_NAME;
 	rdev->map_name = RC_MAP_STREAMZAP;
+	rdev->rx_resolution = SZ_RESOLUTION;
 
 	ret = rc_register_device(rdev);
 	if (ret < 0) {