ARM: bcm281xx: Add ARCH Timers to config

Add HAVE_ARM_ARCH_TIMER to Broadcom Kconfig as it is
required for some Mobile SoCs.
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Reviewed-by: Markus Mayer <mmayer@broadcom.com>
Reviewed-by: Mark Hambleton <mahamble@broadcom.com>
Reviewed-by: James King <jamesk@broadcom.com>

arch/arm/mach-bcm/Kconfig

@@ -24,6 +24,7 @@ config ARCH_BCM_MOBILE
 	select SPARSE_IRQ
 	select TICK_ONESHOT
 	select CACHE_L2X0
+	select HAVE_ARM_ARCH_TIMER
 	help
 	  This enables support for systems based on Broadcom mobile SoCs.
 	  It currently supports the 'BCM281XX' family, which includes