coresight: etm3x: indentation fix (extra space removed)

An extra space is removed.

Signed-off-by: Muhammad Abdul Wahab <muhammadabdul.wahab@centralesupelec.fr>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/hwtracing/coresight/coresight-etm3x-sysfs.c

@@ -146,7 +146,7 @@ static ssize_t mode_store(struct device *dev,
 			goto err_unlock;
 		}
 		config->ctrl |= ETMCR_STALL_MODE;
-	 } else
+	} else
 		config->ctrl &= ~ETMCR_STALL_MODE;
 
 	if (config->mode & ETM_MODE_TIMESTAMP) {