dt-bindings: dma: Add dma-channel-mask to nvidia,tegra210-adma

Add dma-channel-mask binding doc support to nvidia,tegra210-adma
to reserve the adma channel usage

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
Link: https://lore.kernel.org/r/20231128071615.31447-2-mkumard@nvidia.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>