platform/chrome: cros_usbpd_logger: Use str_enabled_disabled() helper

Remove hard-coded strings by using the str_enabled_disabled() helper
function.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://lore.kernel.org/r/20250112100655.55741-2-thorsten.blum@linux.dev


Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>