dt-bindings: soc: add bindings for Intel HPS Copy Engine

[upstream commit 79af73b31ab281277cec8f5d102364b9c64588c1]

Add device tree bindings documentation for the Intel Hard
Processor System (HPS) Copy Engine.

Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
1 file changed