Enable/disable LTE function based on LTE bit of FW_CONFIG.
The LTE function settings are included GPIO settings, USB port settings and
power off sequence.
BUG=b:187797408
BRANCH=dedede
TEST=Build and test the change on cret.
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: Ib926e99aaf9df433a7cff71180ee55431d69f718
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54057
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>