arm64: dts: exynos: Remove leading 0x from unit addresses in Exynos5433

Remove leading 0x from recently introduced unit addresses to fix DTC
warnings:

    Warning (unit_address_format): /soc/sysmmu@0x15040000: unit name should not have leading "0x"
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm64/boot/dts/exynos/exynos5433.dtsi

@@ -1171,7 +1171,7 @@ sysmmu_gscl2: sysmmu@13ca0000 {
 			power-domains = <&pd_gscl>;
 		};
 
-		sysmmu_scaler_0: sysmmu@0x15040000 {
+		sysmmu_scaler_0: sysmmu@15040000 {
 			compatible = "samsung,exynos-sysmmu";
 			reg = <0x15040000 0x1000>;
 			interrupts = <GIC_SPI 404 IRQ_TYPE_LEVEL_HIGH>;
@@ -1182,7 +1182,7 @@ sysmmu_scaler_0: sysmmu@0x15040000 {
 			power-domains = <&pd_mscl>;
 		};
 
-		sysmmu_scaler_1: sysmmu@0x15050000 {
+		sysmmu_scaler_1: sysmmu@15050000 {
 			compatible = "samsung,exynos-sysmmu";
 			reg = <0x15050000 0x1000>;
 			interrupts = <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>;