dt-bindings: dma: qcom,gpi: document the Milos GPI DMA Engine

Document the GPI DMA Engine on the Milos SoC.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250713-sm7635-fp6-initial-v2-9-e8f9a789505b@fairphone.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: lweiss-fairphone

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

@@ -24,6 +24,7 @@ properties:
           - qcom,sm6350-gpi-dma
       - items:
           - enum:
+              - qcom,milos-gpi-dma
               - qcom,qcm2290-gpi-dma
               - qcom,qcs8300-gpi-dma
               - qcom,qdu1000-gpi-dma