Follow vendor and enable LTR on all root ports to optimize for devices'
latency requirements and also optimize power management while preventing
failure due to wrongly guessing idle states, which happens without LTR.
Tested successfully. No errors show up in dmesg.
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Change-Id: I8f72087c71e291d2412dc7b3e16ee7f419e2ca0c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48367
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
fb7a06b5b7