pinctrl: Fix spelling typos

Just fix spelling typos in comments.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index ce3335a..720a19f 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -187,7 +187,7 @@
  * @ncfg:	Number of entries in @cfg
  *
  * Parse the config options described in @params from @np and puts the result
- * in @cfg. @cfg does not need to be empty, entries are added beggining at
+ * in @cfg. @cfg does not need to be empty, entries are added beginning at
  * @ncfg. @ncfg is updated to reflect the number of entries after parsing. @cfg
  * needs to have enough memory allocated to hold all possible entries.
  */