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>

include/linux/pinctrl/pinconf.h

@@ -25,7 +25,6 @@ struct seq_file;
  * @pin_config_get: get the config of a certain pin, if the requested config
  *	is not available on this controller this should return -ENOTSUPP
  *	and if it is available but disabled it should return -EINVAL
- * @pin_config_get: get the config of a certain pin
  * @pin_config_set: configure an individual pin
  * @pin_config_group_get: get configurations for an entire pin group
  * @pin_config_group_set: configure all pins in a group

include/linux/pinctrl/pinmux.h

@@ -23,7 +23,7 @@ struct pinctrl_dev;
 /**
  * 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