Add precision in critical sensor

As debug screen has limited space for display so limiting critical
sensor value output to precision of 2.

Tested: verified with lcd debug card screen.

Change-Id: I9135b0c32d49adce658ee598a58736b9c0b6e64d
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
1 file changed