Read VPD variable 'fsp_log_enable' to decide enabling FSP log or not.
With VPD_RW_THEN_RO, VPD_RW takes precedence over VPD_RO, and
would be set to enabled if both places cannot find it.
Tested=On OCP Delta Lake, use vpd to create and set fsp_log_enable
and verified the results are expected.
Change-Id: I0b3463acedd90e8e17f7e4eedc2fab63644f87e1
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42903
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Reviewed-by: insomniac <insomniac@slackware.it>