ARM: dts: stm32: Use lower-case hex for address for stm32f746g-eval-u-boot.dtsi

Replace upper-case hex with lower-case hex for address.

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/stm32746g-eval-u-boot.dtsi b/arch/arm/dts/stm32746g-eval-u-boot.dtsi
index f2195a6..8550ef7 100644
--- a/arch/arm/dts/stm32746g-eval-u-boot.dtsi
+++ b/arch/arm/dts/stm32746g-eval-u-boot.dtsi
@@ -177,7 +177,7 @@
 };
 
 &qspi {
-	reg = <0xA0001000 0x1000>, <0x90000000 0x4000000>;
+	reg = <0xa0001000 0x1000>, <0x90000000 0x4000000>;
 	qflash0: n25q512a@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;