V4L/DVB (6637): xc2028: add missing break

Add break to stop us from following the default failure path even upon success.
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/tuner-xc2028.c

@@ -485,6 +485,7 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
 						  (*p) & 0x7f);
 					return -EINVAL;
 				}
+				break;
 			default:
 				tuner_info("Invalid RESET code %d\n",
 					   size & 0x7f);