pwm: bcm2835: Allow building for ARCH_BRCMSTB

BCM7211 is supported using ARCH_BRCMSTB and uses this PWM controller
driver, make it possible to build it.

Signed-off-by: Florian Fainelli <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>

Author: ffainelli

drivers/pwm/Kconfig

@@ -100,7 +100,7 @@ config PWM_BCM_KONA
 
 config PWM_BCM2835
 	tristate "BCM2835 PWM support"
-	depends on ARCH_BCM2835
+	depends on ARCH_BCM2835 || ARCH_BRCMSTB
 	help
 	  PWM framework driver for BCM2835 controller (Raspberry Pi)