Add pin configuration support for Gyro-ADC, named ADI on r8a7791 SoC.
Signed-off-by: NJacopo Mondi <jacopo@jmondi.org>
Tested-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>