dt-bindings: dmaengine: qcom: gpi: add compatible for SM6115

Document the compatible for GPI DMA controller on SM6115 SoC.
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221030094258.486428-4-iskren.chernev@gmail.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/dma/qcom,gpi.yaml

@@ -25,6 +25,7 @@ properties:
       - items:
           - enum:
               - qcom,sc7280-gpi-dma
+              - qcom,sm6115-gpi-dma
               - qcom,sm8350-gpi-dma
               - qcom,sm8450-gpi-dma
           - const: qcom,sm6350-gpi-dma