pinctrl: fix typos in comment blocks of pinconfig_post_bind()

'-' is never used in function names.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index fd04b26..7397de2 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -113,7 +113,7 @@
 }
 
 /**
- * pinconfig_post-bind() - post binding for PINCONFIG uclass
+ * pinconfig_post_bind() - post binding for PINCONFIG uclass
  * Recursively bind its children as pinconfig devices.
  *
  * @dev: pinconfig device
@@ -257,7 +257,7 @@
 }
 
 /**
- * pinconfig_post-bind() - post binding for PINCTRL uclass
+ * pinconfig_post_bind() - post binding for PINCTRL uclass
  * Recursively bind child nodes as pinconfig devices in case of full pinctrl.
  *
  * @dev: pinctrl device