OMAP Pinctrl definitions

Required properties:
- compatible : Should be one of:
  "ti,omap2420-padconf" - OMAP2420 compatible pinctrl
  "ti,omap2430-padconf" - OMAP2430 compatible pinctrl
  "ti,omap3-padconf" - OMAP3 compatible pinctrl
  "ti,omap4-padconf" - OMAP4 compatible pinctrl
  "ti,omap5-padconf" - OMAP5 compatible pinctrl
  "ti,dra7-padconf" - DRA7 compatible pinctrl
  "ti,am437-padconf" - AM437x compatible pinctrl

See Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt for further details.
