Add tcss.asl to support TCSS power management.
For the detail please refer cb:39785.
BUG=none
TEST=Check TBT PCIe root ports: 00:07.0/00:07.1/00:07.2/00:07.3
/sys/bus/pci/devices/bus:device:func/power suspend and
active time can increase.
Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I432f3d6643de13b08c07e47f799c0ecdfe047de6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41506
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
38c308515c