mfd: ntxec: Add version number for EC in Tolino Vision

The EC firmware has a different version number than anything
defined until now.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230127165828.3256170-1-andreas@kemnade.info