cw1200: remove unnecessary break after return

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wireless/cw1200/fwio.c

@@ -290,7 +290,6 @@ static int config_reg_write(struct cw1200_common *priv, u32 val)
 	case HIF_8601_SILICON:
 	default:
 		return cw1200_reg_write_32(priv, ST90TDS_CONFIG_REG_ID, val);
-		break;
 	}
 	return 0;
 }