pinctrl: renesas: r8a77951: Add vin4_g8 and vin5_high8 pins

This patch adds vin4_g8 and vin5_high8 support to the R8A77951 SoC.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Link: https://lore.kernel.org/r/20210309114930.2433711-2-niklas.soderlund+renesas@ragnatech.se


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>