variant_has_pcie_wwan() was always coming back as disabled because
find_dev_nested_path() couldn't find the device until the domain was
added to the array.
BUG=b:193036827
TEST=Boot guybrush with PCIe & USB WWAN devices.
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: Id94fa0b0ff5c29fa447e869220d27ccfe61438c6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57315
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>