This commit provides a dev tree setting for partners to enable/disable
TccoldHandshake for the sighting in doc:723158
BUG=b:221461379
BRANCH=firmware-brya-14505.B
TEST=compile ok and FSP UPD is config properly
Change-Id: Ica13b98204acebef7f0b9a4411b4ac19f53cad6e
Signed-off-by: Kane Chen <kane.chen@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68635
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
8327a7e7b4