dt-bindings: arm: qcom: Add missing msm8960

The list of supported 'SoC's didn't include msm8960 even though
qcom,msm8960-cdp exists.
Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524230338.120619-1-guptarud@gmail.com

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -40,6 +40,7 @@ description: |
         msm8939
         msm8953
         msm8956
+        msm8960
         msm8974
         msm8976
         msm8992