Make use of the helper introduced in the parent change to deduplicate
the PCIe root port table.
Change-Id: I2dae4e4caf0a7ba3662889f3b31da0c3c299bc92
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60945
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>