ARM: arch timer: Drop unneeded select GENERIC_CLOCKEVENTS

The ARM Architected timer is available on ARMv7 SoCs only.
As both ARCH_MULTIPLATFORM and ARM_SINGLE_ARMV7M select
GENERIC_CLOCKEVENTS, there is no need for HAVE_ARM_ARCH_TIMER to select
GENERIC_CLOCKEVENTS.

Link: https://lore.kernel.org/r/20200505150722.1575-2-geert+renesas@glider.beSigned-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm/Kconfig

@@ -1246,7 +1246,6 @@ config HAVE_ARM_ARCH_TIMER
 	bool "Architected timer support"
 	depends on CPU_V7
 	select ARM_ARCH_TIMER
-	select GENERIC_CLOCKEVENTS
 	help
 	  This option enables support for the ARM architected timer