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Since commit 4b563a066611 ("ARM: imx: Remove imx21 support") the imx21 SoC is no longer supported. Get rid of its pinctrl driver too, which is now unused. Signed-off-by: Fabio Estevam <festevam@gmail.com> Acked-by: Shawn Guo <shawnguo@kernel.org> Link: https://lore.kernel.org/r/20201110190210.29376-1-festevam@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>