thermal: tsens: Add additional debug bus id

Currently the debug data read is for bus id 2 and 3.
Increase the debug bus id from 0 to 15 to get the
corresponding debug bus data on a debug dump.

Change-Id: I45e728a9bca708c9a9738fb8999d8c7bd3e1a690
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>