[PATCH v3] arm64: dts: imx8mp: Add dsp node

[Shawn Guo]

On Fri, Jul 23, 2021 at 02:05:40PM +0300, Daniel Baluta wrote:
> From: Daniel Baluta <daniel.baluta at nxp.com>
> 
> i.MX8 MPlus SoC integrates Cadence HIFI4 DSP. This core runs either a
> custom firmware or the open source SOF firmware [1]
> 
> DSP device is handled by SOF OF driver found in
> sound/soc/sof/sof-of-dev.c
> 
> Notice that the DSP node makes use of:
> 	- dsp_reserved, a reserved memory region for various Audio
> 	  resources (e.g firmware loading, audio buffers, etc).
> 	- Messaging Unit (mu2) for passing notifications betweem ARM
> 	  core and DSP.
> 
> [1] https://thesofproject.github.io/latest/platforms/index.html
> Signed-off-by: Daniel Baluta <daniel.baluta at nxp.com>

Applied, thanks!