[coreboot-gerrit] Change in coreboot[master]: nb/intel/x4x: Expose x86_64 support

[Angel Pons (Code Review)]

Attention is currently required from: Damien Zammit, Arthur Heymans, Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56022 )

Change subject: nb/intel/x4x: Expose x86_64 support
......................................................................

Patch Set 1: Code-Review+1

(1 comment)

Patchset:

PS1: 
Needs to be rebased atop https://review.coreboot.org/q/topic:%22x86_64-kconfig%22