pinctrl: (cosmetic) fix two entries in DocBook comments

This removes a repeated word and a repeated and incomplete line from two
pinctrl headers.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h
index dd7bef6..1818dcb 100644
--- a/include/linux/pinctrl/pinmux.h
+++ b/include/linux/pinctrl/pinmux.h
@@ -23,7 +23,7 @@
 /**
  * struct pinmux_ops - pinmux operations, to be implemented by pin controller
  * drivers that support pinmuxing
- * @request: called by the core to see if a certain pin can be made available
+ * @request: called by the core to see if a certain pin can be made
  *	available for muxing. This is called by the core to acquire the pins
  *	before selecting any actual mux setting across a function. The driver
  *	is allowed to answer "no" by returning a negative error code