Merge "dt: pinctrl: msm: Add example of pintype gpio controller"

   Optional: A pintype may support gpio operations. In that case, a pintype

   node can have an additional child node representing a gpio controller.

   - #gpio-controller: Can be used as a gpio controller

   - #gpio-cells: Should be two. The first cell is the pin number and the

			second cell is used to specify optional parameters

- Pin groups as child nodes: The pin mux (selecting pin function

  mode) and pin config (pull up/down, driver strength, direction) settings are

			qcom,pin-type-gp;

			qcom,num-pins = <117>;

			#qcom,pin-cells = <1>;

			/* Supports Gpio controller */

			msm_gpio: msm_gpio {

				#gpio-controller;

				#gpio-cells = <2>;

			};

		};

		/* Sdc pin type */

		sdc: sdc {