thermal: msm_tsens: Fix clearing interrupt bit on resume

Clear the Lower/Upper threshold interrupt bit on resume. Having
the interrupt bit set prevents interrupts from being triggered
when TSENS block is enabled before it goes into suspend.

CRs-Fixed: 322042
Change-Id: Ida283fb2bbbed8032f2c72efc4e5015eb5f43ac9
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>