dt-bindings: dmaengine: bam_dma: add remote controlled bindings

This patch adds 2 new properties for remote controlled bam dt bindings.
1. num-channels to indicate number of dma channels.
2. qcom,num-ees to indicate number of Execution Environments.

Signed-off-by: Srinivas Kandagatla <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>

Author: Srinivas-Kandagatla

Documentation/devicetree/bindings/dma/qcom_bam_dma.txt

@@ -15,6 +15,10 @@ Required properties:
   the secure world.
 - qcom,controlled-remotely : optional, indicates that the bam is controlled by
   remote proccessor i.e. execution environment.
+- num-channels : optional, indicates supported number of DMA channels in a
+  remotely controlled bam.
+- qcom,num-ees : optional, indicates supported number of Execution Environments
+  in a remotely controlled bam.
 
 Example: