FROMGIT: dt-bindings: net: Add Qualcomm ethqos binding

Add support for Qualcomm ethqos found in some SoCs like QCS404.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 00f1ee53
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git

)
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>