[S] Change in coreboot[main]: sb/intel/bd82x6x: Improve SLCAP

[Patrick Rudolph (Code Review)]

Attention is currently required from: Kyösti Mälkki.

Patrick Rudolph has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78228?usp=email )

Change subject: sb/intel/bd82x6x: Improve SLCAP
......................................................................

Patch Set 3:

(1 comment)

File src/southbridge/intel/bd82x6x/pcie.c:

https://review.coreboot.org/c/coreboot/+/78228/comment/7f89e25a_5172637d :
PS2, Line 152: 	reg32 |= (slot_number++ << 19);
> Yes, I left a request on another commit to leave a comment that we don't follow the specs when we un […]

It starts now counting at 1.
I've added a hack that works when GENERATE_SMBIOS_TABLES is true to detect if it's a slot.