Switch to setting Device active

With the latest Linux driver, the hwmon device is always bound, so
instead use the occ_active attribute to tell the driver when the
OCC has gone active.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Change-Id: Ia89b517d90a1947f87bb5937bf0d4c1b50191201
3 files changed