dt-bindings: firmware: scm: Add compatible for SDX75

Add devicetree compatible for SCM present in SDX75 platform.

Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1686311438-24177-3-git-send-email-quic_rohiagar@quicinc.com

Author: RohitAgarwalQUIC

Documentation/devicetree/bindings/firmware/qcom,scm.yaml

@@ -51,6 +51,7 @@ properties:
           - qcom,scm-sdm845
           - qcom,scm-sdx55
           - qcom,scm-sdx65
+          - qcom,scm-sdx75
           - qcom,scm-sm6115
           - qcom,scm-sm6125
           - qcom,scm-sm6350