FROMLIST: spi: dt-bindings: qcom-qspi: Add QCS615 compatible

Add the "qcom,qcs615-qspi" compatible string to the Qualcomm QSPI device-
tree binding to enable QCS615-based platforms to use the existing QSPI
controller binding.

Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
Link: https://lore.kernel.org/all/20260324-spi-nor-v1-1-3efe59c1c119@oss.qualcomm.com/

Author: vdadhani

Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml

@@ -20,6 +20,7 @@ properties:
   compatible:
     items:
       - enum:
+          - qcom,qcs615-qspi
           - qcom,sc7180-qspi
           - qcom,sc7280-qspi
           - qcom,sdm845-qspi