Check to see if the PCIe slot needs to be activated for the WWAN card.
If it doesn't, leave it unused so it will be powered off and not do
the PCIe training.
BUG=b:193036827
TEST=Boot & Reboot guybrush with both PCIe & USB WWAN cards.
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I79c32e4814672c03ee0821786d5be1c77fd1b410
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57316
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>