Limits test timeout for pp_test

When pp_test is the only filter group, the lava timeout is set to 45 mins,
previously this was only for the tf-m-static job, but would wait the full 5.5h
when the job had been manually triggered (even with parameters the same).

Signed-off-by: Matthew Dalzell <matthew.dalzell@arm.com>
Change-Id: I98e5fbe5b5e6197cd3c8af9af37aae98f6427f0e
1 file changed