Bring all GNVS related initialisation function to global
scope to force identical signatures. Followup work is
likely to remove some as duplicates.
Change-Id: Id4299c41d79c228f3d35bc7cb9bf427ce1e82ba1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42489
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>