misc: stm32: Add STM32MP1 support

Following next kernel rcc bindings, we must use a MFD
RCC driver which is able to bind both clock and reset
drivers.

We can reuse and adapt RCC MFD driver already available
for MCU SoCs (F4/F7/H7).

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 898ad6b..7c04905 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -29,6 +29,7 @@
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select PINCTRL_STM32
+	select STM32_RCC
 	select STM32_RESET
 	select SYS_ARCH_TIMER
 	select SYSRESET_SYSCON