coresight: fix typo in comment in of_coresight.c

Debugfs isn't used for coresight configuration, so the corresponding
comments should be changed.

Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/coresight/of_coresight.c b/drivers/coresight/of_coresight.c
index 5030c07..8bd524e 100644
--- a/drivers/coresight/of_coresight.c
+++ b/drivers/coresight/of_coresight.c
@@ -126,7 +126,7 @@
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
-	/* Use device name as debugfs handle */
+	/* Use device name as sysfs handle */
 	pdata->name = dev_name(dev);
 
 	/* Get the number of input and output port for this component */