From request, all type C port limit to to Gen1 5GHz.
So enable UPD usb3_port_force_gen1 for Markarth.
BUG=b:273841155
BRANCH=skyrim
TEST=Build, verify the setting will be applied on Markarth.
Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Change-Id: I9314b67a82ad2993c87f0110db5ec927caaa772b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74087
Reviewed-by: Patrick Huang <patrick.huang@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Chao Gui <chaogui@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: Amanda Hwang <amanda_hwang@compal.corp-partner.google.com>
Reviewed-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
d9b938b0cf