ARM: dts: stm32mp: alignment with v6.6-rc1

Device tree alignment with Linux kernel v6.6.rc1.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/arch/arm/dts/stm32mp157c-ev1-scmi.dts b/arch/arm/dts/stm32mp157c-ev1-scmi.dts
index 3b9dd6f..813086e 100644
--- a/arch/arm/dts/stm32mp157c-ev1-scmi.dts
+++ b/arch/arm/dts/stm32mp157c-ev1-scmi.dts
@@ -66,8 +66,11 @@
 	resets = <&scmi_reset RST_SCMI_MDMA>;
 };
 
-&mlahb {
-	resets = <&scmi_reset RST_SCMI_MCU>;
+&m4_rproc {
+	/delete-property/ st,syscfg-holdboot;
+	resets = <&scmi_reset RST_SCMI_MCU>,
+		 <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
+	reset-names =  "mcu_rst", "hold_boot";
 };
 
 &rcc {