dt-bindings: dmaengine: qcom: gpi: add compatible for sc7280

Document the compatible for GPI DMA controller on SC7280 SoC
Signed-off-by: NVinod Koul <vkoul@kernel.org>
Acked-by: NKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220414064216.1182177-1-vkoul@kernel.orgSigned-off-by: NVinod Koul <vkoul@kernel.org>

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

@@ -19,6 +19,7 @@ allOf:
 properties:
   compatible:
     enum:
+      - qcom,sc7280-gpi-dma
       - qcom,sdm845-gpi-dma
       - qcom,sm8150-gpi-dma
       - qcom,sm8250-gpi-dma