Add pinctrl support for Sophgo CV1800 series SoC. Signed-off-by: Inochi Amaoto <inochiama@outlook.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/IA1PR20MB4953680DE7977CAD906DBDB4BBB32@IA1PR20MB4953.namprd20.prod.outlook.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>