thermal: tsens: Remove the check for low trip less than high trip

Remove the error check for the input low trip less
than the high trip value. Thermal core framework
handles multiple clients and there is a possibility
where high trip is less than low trip. In this
case, tsens driver should proceed further.

Change-Id: Ifa8b7898f36c75468ebf8b3ea027b34a7ff75734
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>