DNV's iTCO is slightly different with SMBCTRL sitting at a different
offset when compared to all other devices. Let's fix so that we can
properly use iTCO watchdog.
Fixes: 420cfc05c165 ("i2c: i801: Add support for Intel DNV") Cc: <stable@vger.kernel.org> # v4.4+ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>