i2c: bcm-kona: fix inconsistent indenting

smatch rightfully says:
drivers/i2c/busses/i2c-bcm-kona.c:646 bcm_kona_i2c_xfer() warn: inconsistent indenting
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Reviewed-by: Tim Kryger <tim.kryger@gmail.com>

drivers/i2c/busses/i2c-bcm-kona.c

@@ -643,7 +643,7 @@ static int bcm_kona_i2c_xfer(struct i2c_adapter *adapter,
 			if (rc < 0) {
 				dev_err(dev->device,
 					"restart cmd failed rc = %d\n", rc);
-					goto xfer_send_stop;
+				goto xfer_send_stop;
 			}
 		}