misc: nct1008: fix unified get_temp api use

misc: nct1008: fix unified get_temp api use

Removed duplicate get_temp api that was not taking offset table into
account which can cause confusion.

Check invalid temp readout on skin sensor before binding to
skin-balanced throttling cooling device.

Rearrange debug output to show similar items together.

Bug 1330895
Bug 1345131

Change-Id: I8c72f1c8d348e195e02baff3d5dfb7b8718d2c62
Signed-off-by: Diwakar Tundlam <dtundlam@nvidia.com>
Reviewed-on: http://git-master/r/269668
Reviewed-by: Jinyoung Park <jinyoungp@nvidia.com>