ARM: bcm: Enable ARCH_HAS_RESET_CONTROLLER for ARCH_BRCMSTB

Allow the use of reset controllers on ARCH_BRCMSTB such as the
recently introduced RESET_BRCMSTB driver.
Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/mach-bcm/Kconfig

@@ -208,6 +208,7 @@ config ARCH_BCM_63XX
 config ARCH_BRCMSTB
 	bool "Broadcom BCM7XXX based boards"
 	depends on ARCH_MULTI_V7
+	select ARCH_HAS_RESET_CONTROLLER
 	select ARM_GIC
 	select ARM_ERRATA_798181 if SMP
 	select HAVE_ARM_ARCH_TIMER