tests: benchmarks: increase timeout for sched_queues tests

Some tests can take close to 60 seconds to complete on m2gl025_miv
platform (it runs at 4 MHz) so increase the timeout to 120 seconds
to be on the safe side.

Signed-off-by: Benjamin Cabé <[email protected]>

Author: kartben

tests/benchmarks/sched_queues/testcase.yaml

@@ -2,6 +2,7 @@ common:
   platform_key:
     - arch
   min_ram: 32
+  timeout: 120
   tags:
     - kernel
     - benchmark