[XS] Change in coreboot[main]: soc/intel/alderlake: Remove SOC_INTEL_GFX_MBUS_JOIN config

[Paul Menzel (Code Review)]

Paul Menzel has posted comments on this change by Subrata Banik. ( https://review.coreboot.org/c/coreboot/+/84030?usp=email )

Change subject: soc/intel/alderlake: Remove SOC_INTEL_GFX_MBUS_JOIN config
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Patch Set 2:

(1 comment)

Patchset:

PS2: 
Hmm, same comments as for Ifb0416df53a453ce16815f9fd52ec6b53fade5e2 [1] apply. coreboot also needs to support older Linux kernel versions in my opinion.

[1]: https://review.coreboot.org/c/coreboot/+/81034/