pinctrl: Fix path error in documentation

Fix pinconfig include file path.

Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
index 98eb94d..47d84b6 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
@@ -216,4 +216,4 @@
   or 0 to disable debouncing
 
 More in-depth documentation on these parameters can be found in
-<include/linux/pinctrl/pinconfig-generic.h>
+<include/linux/pinctrl/pinconf-generic.h>