99370c4ea3
This patch adds mt8186 dsp document. The dsp is used for Sound Open Firmware driver node. It includes registers, clocks, memory regions, and mailbox for dsp. Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220622062245.21021-4-tinghan.shen@mediatek.com Signed-off-by: Mark Brown <broonie@kernel.org>