test-configs.yaml: Add config fragment for ftrace tests

The ftrace tests are rather useful. They can be a bit slow to run with a
full fat kselftest configuration so the timeout configured is on the large
side, even on a fairly slow platform like Juno it's overly long.

Signed-off-by: Mark Brown <[email protected]>

Author: broonie

config/core/test-configs.yaml

@@ -307,6 +307,12 @@ test_plans:
       kselftest_collections: "filesystems"
     filters: *kselftest_no_fragment
 
+  kselftest-ftrace:
+    <<: *kselftest
+    params:
+      job_timeout: '40'
+      kselftest_collections: "ftrace"
+
   kselftest-futex:
     <<: *kselftest
     params: