Migrate to TMT-style gating in C9S

This is required for RHIVOS, see VROOM-23635.

.fmf/version

@@ -0,0 +1 @@
+1

ci.fmf

@@ -0,0 +1,2 @@
+# Docs: https://docs.fedoraproject.org/en-US/ci/tmt/#_multiple_plans
+resultsdb-testcase: separate

gating.yaml

@@ -1,6 +1,6 @@
 --- !Policy
 product_versions:
-  - rhel-9
+  - rhel-*
 decision_context: osci_compose_gate
 rules:
-  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.tier1.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/tier1-internal.functional}

plans.fmf

@@ -0,0 +1,15 @@
+/tier1-internal:
+    discover:
+      - name: Internal gating tests (procps-ng)
+        how: fmf
+        url: https://gitlab.com/redhat/rhel/tests/procps-ng.git
+        filter: 'tier: 1'
+      - name: Internal gating tests (procps)
+        how: fmf
+        url: https://pkgs.devel.redhat.com/git/tests/procps/
+        filter: 'tier: 1'
+    execute:
+        how: tmt
+    adjust:
+        enabled: false
+        when: distro == centos-stream or distro == fedora