thermal: tsens: Update debug capability for Tsens

Clients can query temperature using different api's.
Update debug support in all functions which can be used by clients
to query temperature. Update debugging by logging last 10 samples
of status register read for each sensor.

Change-Id: Ib98853b1f43337013a9614d483845b6d3cb9bb49
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>