arm64: dts: qcom: sdm845: Use the correct BWMON compatible

Drop the incorrect msm8998 fallback and use the new qcom,sdm845-cpu-bwmon
compatible to distinguish the CPU BWMON found on this platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230304-topic-ddr_bwmon-v3-6-77a050c2fbda@linaro.org

arch/arm64/boot/dts/qcom/sdm845.dtsi

@@ -2252,7 +2252,7 @@ opp-4 {
 		};
 
 		pmu@1436400 {
-			compatible = "qcom,sdm845-bwmon", "qcom,msm8998-bwmon";
+			compatible = "qcom,sdm845-cpu-bwmon", "qcom,sdm845-bwmon";
 			reg = <0 0x01436400 0 0x600>;
 			interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
 			interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_LLCC 3>;