[L] Change in coreboot[master]: mb/ibm: Add 4 SPR sockets server board IBM SBP1

[Patrick Rudolph (Code Review)]

Attention is currently required from: Jonathan Zhang, Johnny Lin, Paul Menzel, David Hendricks, Angel Pons, Shuo Liu, Arthur Heymans, Nill Ge, Patrick Rudolph.

Patrick Rudolph has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/73392 )

Change subject: mb/ibm: Add 4 SPR sockets server board IBM SBP1
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Patch Set 11:

(2 comments)

File src/mainboard/ibm/sbp1/Kconfig:

https://review.coreboot.org/c/coreboot/+/73392/comment/0fb83879_d971cefc 
PS9, Line 31: MAX_SOCKET_UPD
> MAX_SOCKET_UPD matches with how the FSP was built.  […]

Done

File src/mainboard/ibm/sbp1/include/spr_sbp1_gpio.h:

https://review.coreboot.org/c/coreboot/+/73392/comment/ee5c0824_864bcc54 
PS10, Line 8: static const struct pad_config gpio_table[] = {
> Add this to a compilation unit rather than a header?

Done