dt-bindings: arm: qcom: Document msm8956 and msm8976 SoC and devices

Note that msm8976 is omitted as a compatible, since there are currently
no boards/devices using it.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221111120156.48040-9-angelogioacchino.delregno@collabora.com

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -35,7 +35,9 @@ description: |
         mdm9615
         msm8226
         msm8916
+        msm8956
         msm8974
+        msm8976
         msm8992
         msm8994
         msm8996
@@ -156,6 +158,12 @@ properties:
               - samsung,s3ve3g
           - const: qcom,msm8226
 
+      - items:
+          - enum:
+              - sony,kugo-row
+              - sony,suzu-row
+          - const: qcom,msm8956
+
       - items:
           - enum:
               - qcom,msm8960-cdp