Change in flashrom[master]: [RFC] [WIP] ft2232_spi: reintroduce generic GPIOL control

[Nico Huber (Code Review)]

Attention is currently required from:  Felix Singer, Alan Green, Angel Pons, Michael Niewöhner.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/57810 )

Change subject: [RFC] [WIP] ft2232_spi: reintroduce generic GPIOL control
......................................................................

Patch Set 6:

(2 comments)

Patchset:

PS6: 
Generally, I'd prefer a much more explicit interface, e.g.

gpiol[0-3]=[CHL]

File ft2232_spi.c:

https://review.coreboot.org/c/flashrom/+/57810/comment/913577e3_2a52094a 
PS2, Line 530: 					/* * * * * * * * * * * * * * * * * * * * * * * * * * *
             : 					 * REQUEST FOR COMMENTS: 'C' could replace `csgpiol` *
             : 					 * * * * * * * * * * * * * * * * * * * * * * * * * * */
             : 					case 'C':
             : 						cs_bits  |= 1 << gpiol_pin;
             : 						pindir   |= 1 << gpiol_pin;
             : 						break;
             :
> I like it.

Sounds good. It would also allow us to make the two interfaces mutually
exclusive. We could also show a deprecation warning for `csgpiol` and
maybe drop it in the future.