regulator: fan53555: Add support for FAN53555BUC18X type

FAN53555BUC18X has the DIE_ID 8, starts at 600mV and
increments in 10mV steps.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed