Remove support for NCT6775/6 from W83627EHF driver so the NCT6775
driver will still be used for those chips.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

Signed-off-by: Felix Fietkau <nbd@nbd.name>