drivers: thermal: pe_sensor: Clear the victim IRQ status

Clear the victim interrupt status when the master interrupt is
triggered. Clearing the victim interrupt status along with the other
interrupt status will ensure that the master interrupt status is
cleared.

Change-Id: I20fe3af5481156cf77d951001ce6eceb96b8e3aa
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>