arm64: Kconfig.platforms: Enable STM32_EXTI for ARCH_STM32

ARCH_STM32 needs to use STM32 EXTI interrupt controller for GPIO and wakeup
interrupts.

Signed-off-by: Antonio Borneo <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: AntonioBorneo

arch/arm64/Kconfig.platforms

@@ -302,6 +302,7 @@ config ARCH_STM32
 	select GPIOLIB
 	select PINCTRL
 	select PINCTRL_STM32MP257
+	select STM32_EXTI
 	select ARM_SMC_MBOX
 	select ARM_SCMI_PROTOCOL
 	select COMMON_CLK_SCMI