ARM: dts: stm32: Fix partition node name for stm32mp15xx-dhcor-u-boot

Fix flash@0 partition node name with correct offset.

Fixes: 90f992e6a58c ("arm: dts: stm32: Add partitions in flash0 and nand node for
stm32mp15xx-dhcom/dhcor")

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
index 552b35d..ba84db6 100644
--- a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
@@ -42,15 +42,15 @@
 			label = "fsbl2";
 			reg = <0x00040000 0x00040000>;
 		};
-		partition@500000 {
+		partition@80000 {
 			label = "uboot";
 			reg = <0x00080000 0x00160000>;
 		};
-		partition@900000 {
+		partition@1e0000 {
 			label = "env1";
 			reg = <0x001E0000 0x00010000>;
 		};
-		partition@980000 {
+		partition@1f0000 {
 			label = "env2";
 			reg = <0x001F0000 0x00010000>;
 		};