[coreboot-gerrit] Change in coreboot[master]: drivers/intel/gma: drop gma_set_gnvs_aslb()

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/40712 )

Change subject: drivers/intel/gma: drop gma_set_gnvs_aslb()
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Patch Set 3:
> I guess the idea was to drop the duplicated soc code at some time by using this interface, but this never happend.

I'll try to move things to CBMEM. If that works, we won't need GNVS
anymore. If it doesn't, we can still keep these functions and move
the `.write_acpi_tables` implementation into the common driver.

Please postpone this change until we know which road to take.