[Sound-open-firmware] SOF project recommendation

[Seppo Ingalsuo]

On 3.4.2019 11.14, Seppo Ingalsuo wrote:
> I'm sorry, seems like the BIOS download URL there is not into a public 
> server (mistake). Until a BIOS that works with they firmware signing 
> that SOF uses the board is not suitable for development use that I 
> talked about! 

I'm happy to correct that the BIOS UPA1AM40 available in
https://downloads.up-community.org/download/up-squared-uefi-bios-v4-0/
works for SOF. I just booted the firmware successfully with this BIOS!

We need to fix the SOF Docs BIOS download URL.