arm64: dts: qcom: msm8996: Rename cluster OPP tables

Rename cluster OPP table node names to match the nodename pattern
defined in the opp-v2-base DT schema.
Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

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

@@ -134,7 +134,7 @@ CPU_SLEEP_0: cpu-sleep-0 {
 		};
 	};
 
-	cluster0_opp: opp_table0 {
+	cluster0_opp: opp-table-cluster0 {
 		compatible = "operating-points-v2-kryo-cpu";
 		nvmem-cells = <&speedbin_efuse>;
 		opp-shared;
@@ -222,7 +222,7 @@ opp-1593600000 {
 		};
 	};
 
-	cluster1_opp: opp_table1 {
+	cluster1_opp: opp-table-cluster1 {
 		compatible = "operating-points-v2-kryo-cpu";
 		nvmem-cells = <&speedbin_efuse>;
 		opp-shared;