[coreboot-gerrit] Change in coreboot[master]: mb/google/{auron,slippy}: clear alt_gp_smi_en register

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/38984 )

Change subject: mb/google/{auron,slippy}: clear alt_gp_smi_en register
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Patch Set 1:

I'm starting to remember that already looked into this. IIRC, my conclusion
was that the SMI handlers of these boards need to be updated accordingly,
i.e. also use the B copy. However, I can't figure out why only these boards
behave differently.