arm64: bcm2835: Drop select of nonexistent HAVE_ARM_ARCH_TIMER

Unlike on arm32, the HAVE_ARM_ARCH_TIMER config symbol does not exist on
arm64.

Note that the toplevel ARM64 symbol always selects ARM_ARCH_TIMER, so
support for it is always included.

Fixes: 628d30d1cc ("arm64: Add platform selection for BCM2835.")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm64/Kconfig.platforms

@@ -39,7 +39,6 @@ config ARCH_BCM2835
 	select ARM_AMBA
 	select ARM_GIC
 	select ARM_TIMER_SP804
-	select HAVE_ARM_ARCH_TIMER
 	help
 	  This enables support for the Broadcom BCM2837 and BCM2711 SoC.
 	  These SoCs are used in the Raspberry Pi 3 and 4 devices.