[coreboot-gerrit] Change in ...coreboot[master]: Console: Allow console UART to be enabled without serial console

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/33380 )

Change subject: Console: Allow console UART to be enabled without serial console
......................................................................

Patch Set 1:
> > Sorry for the basic question, but: What does this fix?
> >
> > If this is needed to make something work in the OS, I guess
> > something at the chip level is accidentally guarded by
> > SERIAL_CONSOLE? At least the code in drivers/uart/ shouldn't
> > make any difference regarding the general availability of
> > the UART.
>
> This is just to set up the UAER even if coreboot doesn't use it.

What is UAER?
What is there to set up?
Why should coreboot do it?
> This also goes along with the following patches to set up the SPCR ACPI table.

This has `console` in its name, why is it useful without console?