Change in coreboot[master]: soc/intel/xeon_sp: Add Lewisburg defs for common/gpio driver

[Andrey Petrov (Code Review)]

Andrey Petrov has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39425 )

Change subject: soc/intel/xeon_sp: Add Lewisburg defs for common/gpio driver
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Patch Set 19:

good news.
we ran vendor bios on tiogapass, dumped settings and compared with the same output produced with coreboot with this patch stack. There are discrepancies for some 30 pins. We need to take a look and understand where they are coming from. This may be due to the fact the original inteltool run (which was used to generate macros for tp) was made on a different board