arm: stm32: add new architecture for STM32MP family

- add new arch stm32mp for STM32 MPU/Soc based on Cortex A
- support for stm32mp157 SOC
- SPL is used as first boot stage loader
- using driver model for all the drivers, even in SPL
- all security feature are deactivated (ETZC and TZC)
- reused STM32 MCU drivers when it is possible

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 932abd3..3299ef0 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -207,7 +207,7 @@
 
 config SYS_I2C_STM32F7
 	bool "STMicroelectronics STM32F7 I2C support"
-	depends on (STM32F7 || STM32H7) && DM_I2C
+	depends on (STM32F7 || STM32H7 || ARCH_STM32MP) && DM_I2C
 	help
 	  Enable this option to add support for STM32 I2C controller
 	  introduced with STM32F7/H7 SoCs. This I2C controller supports :