pinctrl: freescale: imx: add shared input select reg support
pinctrl: freescale: imx: add shared input select reg support

- Add shared input select register support
- imx7d has two iomux controllers iomuxc and iomuxc-lpsr
  which share select_input register for daisy chain settings

Signed-off-by: Adrian Alonso <20391c5867287836be64b0fe3fd21716e741d249@freescale.com>
Acked-by: Shawn Guo <63670015a35b5e259a12af9c49179087023f8740@kernel.org>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs