arm64: Kconfig: meson: drop pinctrl

Don't automatically select pinctrl drivers, leave it up to defaults in
drivers/pinctrl/meson, which default to built-in, but are also now
optionally configurable as modules as of
commit 9c65441 ("pinctrl/meson: enable building as modules")

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20201207230156.10198-1-khilman@baylibre.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/Kconfig.platforms

@@ -152,8 +152,6 @@ config ARCH_MEDIATEK
 
 config ARCH_MESON
 	bool "Amlogic Platforms"
-	select PINCTRL
-	select PINCTRL_MESON
 	select MESON_IRQ_GPIO
 	help
 	  This enables support for the arm64 based Amlogic SoCs