[PATCH v2 RESEND 3/3] ARM: stm32: enable arm-smc watchdog on STM32MP1

[Antonio Borneo]

The watchdog IWDG1 is secure by default on STM32MP1 SoCs and has
to be controlled through the arm,smc-wdt driver.

Enable the driver on mach-stm32 when ARCH_MULTI_V7 is enabled.

Signed-off-by: Antonio Borneo <antonio.borneo@xxxxxxxxxxx>
---
 arch/arm/mach-stm32/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-stm32/Kconfig b/arch/arm/mach-stm32/Kconfig
index 4ac3384e397aa..de09b2afa0f2e 100644
--- a/arch/arm/mach-stm32/Kconfig
+++ b/arch/arm/mach-stm32/Kconfig
@@ -13,6 +13,8 @@ menuconfig ARCH_STM32
 	select RESET_CONTROLLER
 	select STM32_EXTI if ARM_SINGLE_ARMV7M
 	select STM32_FIREWALL
+	select WATCHDOG if ARCH_MULTI_V7
+	select ARM_SMC_WATCHDOG if ARCH_MULTI_V7
 	help
 	  Support for STMicroelectronics STM32MP1 processors using Cortex-A7
 	  cores. Note that support for the earlier Cortex-M based variants
-- 
2.34.1