stm32mp1: update device tree with ETZPC status

U-Boot should disable nodes in device tree if needed according
ETZPC status in ft_system_setup().

ETZPC itself use an array on addresses to do the match between the status
bits and the node.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@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 d9ad6b4..9c5c93c 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -83,6 +83,13 @@
 	  Partition on the second MMC to load U-Boot from when the MMC is being
 	  used in raw mode
 
+config STM32_ETZPC
+	bool "STM32 Extended TrustZone Protection"
+	depends on TARGET_STM32MP1
+	default y
+	help
+	  Say y to enable STM32 Extended TrustZone Protection
+
 config BOOTSTAGE_STASH_ADDR
 	default 0xC3000000