ARM: actions: Drop unneeded select of COMMON_CLK

Support for Actions Semi SoCs depends on ARCH_MULTI_V7, and thus on
ARCH_MULTIPLATFORM.
As the latter selects COMMON_CLK, there is no need for ARCH_ACTIONS to
select COMMON_CLK.

Link: https://lore.kernel.org/r/20200505150722.1575-3-geert+renesas@glider.be


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Andreas Färber <afaerber@suse.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>