arm64: dts: qcom: msm8996: Use lowercase hex

Use lowercase hex, as that's the preferred and overwhermingly present
style.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221212111037.98160-3-konrad.dybcio@linaro.org

arch/arm64/boot/dts/qcom/msm8996-xiaomi-gemini.dts

@@ -62,14 +62,14 @@ led@0 {
 			reg = <0>;
 			chan-name = "button-backlight";
 			led-cur = /bits/ 8 <0x32>;
-			max-cur = /bits/ 8 <0xC8>;
+			max-cur = /bits/ 8 <0xc8>;
 		};
 
 		led@1 {
 			reg = <0>;
 			chan-name = "button-backlight1";
 			led-cur = /bits/ 8 <0x32>;
-			max-cur = /bits/ 8 <0xC8>;
+			max-cur = /bits/ 8 <0xc8>;
 		};
 	};
 };

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -1248,23 +1248,23 @@ opp-560000000 {
 				};
 				opp-510000000 {
 					opp-hz = /bits/ 64 <510000000>;
-					opp-supported-hw = <0xFF>;
+					opp-supported-hw = <0xff>;
 				};
 				opp-401800000 {
 					opp-hz = /bits/ 64 <401800000>;
-					opp-supported-hw = <0xFF>;
+					opp-supported-hw = <0xff>;
 				};
 				opp-315000000 {
 					opp-hz = /bits/ 64 <315000000>;
-					opp-supported-hw = <0xFF>;
+					opp-supported-hw = <0xff>;
 				};
 				opp-214000000 {
 					opp-hz = /bits/ 64 <214000000>;
-					opp-supported-hw = <0xFF>;
+					opp-supported-hw = <0xff>;
 				};
 				opp-133000000 {
 					opp-hz = /bits/ 64 <133000000>;
-					opp-supported-hw = <0xFF>;
+					opp-supported-hw = <0xff>;
 				};
 			};
 
@@ -3358,7 +3358,7 @@ slimbam: dma-controller@9184000 {
 
 		slim_msm: slim-ngd@91c0000 {
 			compatible = "qcom,slim-ngd-v1.5.0";
-			reg = <0x091c0000 0x2C000>;
+			reg = <0x091c0000 0x2c000>;
 			interrupts = <0 163 IRQ_TYPE_LEVEL_HIGH>;
 			dmas = <&slimbam 3>, <&slimbam 4>;
 			dma-names = "rx", "tx";