dt-bindings: interconnect: qcom-bwmon: Document QCS8300 bwmon compatibles

Document QCS8300 BWMONs, which has two BWMONv4 instances for the CPU->LLCC
path and one BWMONv5 instance for LLCC->DDR path.

Signed-off-by: Jingyi Wang <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Georgi Djakov <[e-mail]>

Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml

···
       - items:
           - enum:
               - qcom,qcm2290-cpu-bwmon
+              - qcom,qcs8300-cpu-bwmon
               - qcom,sa8775p-cpu-bwmon
               - qcom,sc7180-cpu-bwmon
               - qcom,sc7280-cpu-bwmon
···
           - const: qcom,sdm845-bwmon    # BWMON v4, unified register space
       - items:
           - enum:
+              - qcom,qcs8300-llcc-bwmon
               - qcom,sa8775p-llcc-bwmon
               - qcom,sc7180-llcc-bwmon
               - qcom,sc8280xp-llcc-bwmon