arm64: dts: qcom: sdm660: 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/20221212111037.98160-6-konrad.dybcio@linaro.org

arch/arm64/boot/dts/qcom/sdm660.dtsi

@@ -37,35 +37,35 @@ opp-700000000 {
 			opp-hz = /bits/ 64 <700000000>;
 			opp-level = <RPM_SMD_LEVEL_TURBO>;
 			opp-peak-kBps = <5184000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 
 		opp-647000000 {
 			opp-hz = /bits/ 64 <647000000>;
 			opp-level = <RPM_SMD_LEVEL_NOM_PLUS>;
 			opp-peak-kBps = <4068000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 
 		opp-588000000 {
 			opp-hz = /bits/ 64 <588000000>;
 			opp-level = <RPM_SMD_LEVEL_NOM>;
 			opp-peak-kBps = <3072000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 
 		opp-465000000 {
 			opp-hz = /bits/ 64 <465000000>;
 			opp-level = <RPM_SMD_LEVEL_SVS_PLUS>;
 			opp-peak-kBps = <2724000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 
 		opp-370000000 {
 			opp-hz = /bits/ 64 <370000000>;
 			opp-level = <RPM_SMD_LEVEL_SVS>;
 			opp-peak-kBps = <2188000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 		*/
 
@@ -73,14 +73,14 @@ opp-266000000 {
 			opp-hz = /bits/ 64 <266000000>;
 			opp-level = <RPM_SMD_LEVEL_LOW_SVS>;
 			opp-peak-kBps = <1648000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 
 		opp-160000000 {
 			opp-hz = /bits/ 64 <160000000>;
 			opp-level = <RPM_SMD_LEVEL_MIN_SVS>;
 			opp-peak-kBps = <1200000>;
-			opp-supported-hw = <0xFF>;
+			opp-supported-hw = <0xff>;
 		};
 	};
 };