Add chip driver for soldered down external USB hub. This driver adds
ACPI objects for the hub and any downstream facing ports.
BUG=b:227761300
TEST=Build and boot to OS in Skyrim. Ensure that the hub and any
configured ports have ACPI devices defined in SSDT.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I11d7ccc42d3dce8e136eb771f120825980e5c027
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63968
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
0bb5b1c58a