arm: dts: stm32: Align stm32mp15xx-*-scmi-u-boot.dtsi file

Update "secure" version of STM32 boards based on SCMI when RCC_TZCR.TZEN=1
stm32mp15xx-*-scmi-u-boot.dtsi with latest patches on files
stm32mp15xx-*-u-boot.dtsi.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/arch/arm/dts/stm32mp157c-ev1-scmi-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ev1-scmi-u-boot.dtsi
index 71a94f9..eef7179 100644
--- a/arch/arm/dts/stm32mp157c-ev1-scmi-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157c-ev1-scmi-u-boot.dtsi
@@ -14,4 +14,44 @@
 		spi0 = &qspi;
 		usb0 = &usbotg_hs;
 	};
+
+	fwu-mdata {
+		compatible = "u-boot,fwu-mdata-gpt";
+		fwu-mdata-store = <&sdmmc1>;
+	};
+};
+
+&flash0 {
+	bootph-pre-ram;
+};
+
+&qspi {
+	bootph-pre-ram;
+};
+
+&qspi_clk_pins_a {
+	bootph-pre-ram;
+	pins {
+		bootph-pre-ram;
+	};
+};
+
+&qspi_bk1_pins_a {
+	bootph-pre-ram;
+	pins1 {
+		bootph-pre-ram;
+	};
+	pins2 {
+		bootph-pre-ram;
+	};
+};
+
+&qspi_bk2_pins_a {
+	bootph-pre-ram;
+	pins1 {
+		bootph-pre-ram;
+	};
+	pins2 {
+		bootph-pre-ram;
+	};
 };