dt-bindings: soc: qcom: spm: Add compatibles for MSM8976 L2

Add SPM AVS Wrapper 2 compatibles for MSM8976's L2 cache.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221104133452.131227-2-angelogioacchino.delregno@collabora.com

Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml

@@ -27,6 +27,8 @@ properties:
           - qcom,msm8939-saw2-v3.0-cpu
           - qcom,msm8226-saw2-v2.1-cpu
           - qcom,msm8974-saw2-v2.1-cpu
+          - qcom,msm8976-gold-saw2-v2.3-l2
+          - qcom,msm8976-silver-saw2-v2.3-l2
           - qcom,apq8084-saw2-v2.1-cpu
           - qcom,apq8064-saw2-v1.1-cpu
       - const: qcom,saw2