arm64: dts: qcom: sc7180: Add DDR/L3 votes for the pro variant

Add DDR/L3 bandwidth votes for the pro variant of SC7180 SoC, as it support
frequencies upto 2.5 GHz.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/1606198876-3515-2-git-send-email-sibis@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sc7180.dtsi

@@ -527,6 +527,11 @@ cpu6_opp15: opp-2400000000 {
 			opp-hz = /bits/ 64 <2400000000>;
 			opp-peak-kBps = <8532000 23347200>;
 		};
+
+		cpu6_opp16: opp-2553600000 {
+			opp-hz = /bits/ 64 <2553600000>;
+			opp-peak-kBps = <8532000 23347200>;
+		};
 	};
 
 	memory@80000000 {