[PATCH] user: Add migration hints from old build system

[Sebastian Huber]

On 25/09/2020 17:12, Gedare Bloom wrote:

>> +Migration from Autoconf/Automake
>> +================================
>> +
>> +The Autoconf/Automake based build system used a ``configure`` command to
>> +configure a single BSP and ``make`` to build it.  The ``configure`` command is
> You can make multiple BSPs, so it is a little bit imprecise. Maybe:
> "configure a single target architecture and one or more BSPs" and ``make`` ...
>
Ok, but I am not sure if it was an intentional feature that you could 
build more than one BSP.