mb/google/guybrush/port_descriptors: use enum values for link speed

Use GEN3 from enum dxio_link_speed_cap instead of the number 3.

TEST=Timeless build results in identical firmware image for guybrush

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I0dddc57e05ec2395ca980bb63320bb9ee5242c29
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

0 files changed, 0 insertions, 0 deletions