pinctrl: fix docstring

Fix the copy and paste error.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index 4615b5c..8837726 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -382,7 +382,7 @@
 }
 
 /**
- * pinconfig_post_bind() - post binding for PINCTRL uclass
+ * pinctrl_post_bind() - post binding for PINCTRL uclass
  * Recursively bind child nodes as pinconfig devices in case of full pinctrl.
  *
  * @dev: pinctrl device