GitLab

Apply differences from hwmon review to bring the driver code to the same
point.  There were some key differences regarding attribute placement
from the review, beyond the normal cleanup.

OpenBMC-Staging-Count: 1
Signed-off-by: Patrick Venture <venture@google.com>
[AJ: Rework subject]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>