TypeC AUX configuration is variant specific. So move into variant level.
BUG=b:205235144
TEST=No typeC port 0 AUX in felwinter.
Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I02bfea462cf4c6359fd8d5cca4368786ee03bc8b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59290
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>