Change in coreboot[master]: src/cpu: Add ARCH_EXP_X86_64 for testing

[HAOUAS Elyes (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Martin Roth, Marshall Dawson, Mariusz Szafrański, Suresh Bellampalli, Vanessa Eusebio, Michal Motyl, Andrey Petrov, Patrick Rudolph, Felix Held.
Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Marshall Dawson, Mariusz Szafrański, Suresh Bellampalli, Vanessa Eusebio, Michal Motyl, Andrey Petrov, Patrick Rudolph, Felix Held,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/49506

to look at the new patch set (#21).

Change subject: src/cpu: Add ARCH_EXP_X86_64 for testing
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src/cpu: Add ARCH_EXP_X86_64 for testing

This adds X86_64 build test.
Also select ARCH_X86 in CPU's Kconfig instead.

Change-Id: Ib8643467c82d7db9f40e09aad852bbc60ef82192
Signed-off-by: Elyes HAOUAS 
---
M src/arch/x86/Kconfig
M src/cpu/amd/agesa/Kconfig
M src/cpu/amd/pi/Kconfig
M src/cpu/intel/haswell/Kconfig
M src/cpu/intel/model_1067x/Kconfig
M src/cpu/intel/model_106cx/Kconfig
M src/cpu/intel/model_2065x/Kconfig
M src/cpu/intel/model_206ax/Kconfig
M src/cpu/intel/model_65x/Kconfig
M src/cpu/intel/model_67x/Kconfig
M src/cpu/intel/model_68x/Kconfig
M src/cpu/intel/model_6bx/Kconfig
M src/cpu/intel/model_6ex/Kconfig
M src/cpu/intel/model_6fx/Kconfig
M src/cpu/intel/model_6xx/Kconfig
M src/cpu/intel/model_f2x/Kconfig
M src/cpu/intel/model_f3x/Kconfig
M src/cpu/intel/model_f4x/Kconfig
M src/cpu/qemu-x86/Kconfig
M src/soc/amd/cezanne/Kconfig
M src/soc/amd/picasso/Kconfig
M src/soc/amd/stoneyridge/Kconfig
M src/soc/example/min86/Kconfig
M src/soc/intel/alderlake/Kconfig
M src/soc/intel/apollolake/Kconfig
M src/soc/intel/baytrail/Kconfig
M src/soc/intel/braswell/Kconfig
M src/soc/intel/broadwell/Kconfig
M src/soc/intel/cannonlake/Kconfig
M src/soc/intel/denverton_ns/Kconfig
M src/soc/intel/elkhartlake/Kconfig
M src/soc/intel/icelake/Kconfig
M src/soc/intel/jasperlake/Kconfig
M src/soc/intel/quark/Kconfig
M src/soc/intel/skylake/Kconfig
M src/soc/intel/tigerlake/Kconfig
M src/soc/intel/xeon_sp/Kconfig
37 files changed, 126 insertions(+), 59 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/06/49506/21