FILTER_GROUP: Reduce the loads for per-patch job

The groups are only include the GNU combinations now for CI on tf.org.

Per-patch (22 configs):
    pp_test_gnu
    pp_OTP_gnu
    pp_PSA_API_gnu
    pp_psoc64_gnu

Signed-off-by: Karl Zhang <karl.zhang@arm.com>
Change-Id: I8abcf29b25fafefe8ef825723fa9140d5fb55f5d
diff --git a/tf-m-build-and-test.yaml b/tf-m-build-and-test.yaml
index 57297e7..31cda49 100644
--- a/tf-m-build-and-test.yaml
+++ b/tf-m-build-and-test.yaml
@@ -41,7 +41,7 @@
       - string:
           name: 'FILTER_GROUP'
           # TODO once available, use a group that filters to configurations we want
-          default: 'ci_gnuarm'
+          default: 'pp_test_gnu pp_OTP_gnu pp_PSA_API_gnu pp_psoc64_gnu'
           description: |
             Filter to a group of configurations as recognised by configs.py
       - string: