On some systems, the Chrome EC controls both the USB Type-C mux as well
as the retimer. Introduce a boolean property "mode-switch" to denote
switches which act as a mode-switch.
BUG=b:235834631
TEST=None
BRANCH=None
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Change-Id: If209a8529ff7ec424f23fd96875ac95a1fe6267d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65116
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>