plans: migrate gating to fmf format

ci.fmf

@@ -0,0 +1 @@
+resultsdb-testcase: separate

gating.yaml

@@ -3,7 +3,8 @@ product_versions:
   - rhel-9
 decision_context: osci_compose_gate
 rules:
-  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.tier1.functional}
-  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.userspace-fips-mode.functional}
-  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.tedude.validation}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/ci/fips-disabled-buildroot-disabled.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/ci/fips-disabled-buildroot-enabled.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/ci/fips-enabled-buildroot-disabled.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/ci/fips-enabled-buildroot-enabled.functional}
   - !PassingTestCaseRule {test_case_name: manual.sst_security_crypto.openssl.streamspreadprevent}

plans/ci.fmf

@@ -1,40 +1,26 @@
-/fips-disabled-tier1:
+/fips-disabled-buildroot-disabled:
   plan:
     import:
       url: https://pkgs.devel.redhat.com/git/tests/openssl
-      name: /Plans/ci/fips-disabled-tier1
+      name: /Plans/ci/fips-disabled-buildroot-disabled
 
 
-/fips-disabled-tier2:
+/fips-disabled-buildroot-enabled:
   plan:
     import:
       url: https://pkgs.devel.redhat.com/git/tests/openssl
-      name: /Plans/ci/fips-disabled-tier2
+      name: /Plans/ci/fips-disabled-buildroot-disabled
 
 
-/fips-disabled-explicitCI:
+/fips-enabled-buildroot-disabled:
   plan:
     import:
       url: https://pkgs.devel.redhat.com/git/tests/openssl
-      name: /Plans/ci/fips-disabled-explicitCI
+      name: /Plans/ci/fips-disabled-buildroot-disabled
 
 
-/fips-enabled-tier1:
+/fips-enabled-buildroot-enabled:
   plan:
     import:
       url: https://pkgs.devel.redhat.com/git/tests/openssl
-      name: /Plans/ci/fips-enabled-tier1
-
-
-/fips-enabled-tier2:
-  plan:
-    import:
-      url: https://pkgs.devel.redhat.com/git/tests/openssl
-      name: /Plans/ci/fips-enabled-tier2
-
-
-/fips-enabled-explicitCI:
-  plan:
-    import:
-      url: https://pkgs.devel.redhat.com/git/tests/openssl
-      name: /Plans/ci/fips-enabled-explicitCI
+      name: /Plans/ci/fips-disabled-buildroot-disabled