Add integration test suite profile for compat packages

tests/integration-test-suite/compat.fmf

@@ -0,0 +1,24 @@
+# llvm compat packages specific setup.
+# Compat packages consist of only a subset of LLVM packages
+
+require+:
+  - cmake
+  - clang
+  - clang-analyzer
+  - clang-devel
+  - clang-tools-extra
+  - compiler-rt
+  - lld
+  - libomp-devel
+  - llvm-devel
+  - python3-lit
+
+environment+:
+  NO_LIBCXX: true
+  NO_STATIC_LIBCXX: true
+  NO_LIBUNWIND: true
+
+adjust+:
+  - enabled: false
+    when: compat is not defined
+    continue: false

tests/integration-test-suite/fedora.fmf

@@ -21,7 +21,7 @@ require+:
 
 adjust+:
   - enabled: false
-    when: distro != fedora or snapshot is defined
+    when: distro != fedora or snapshot is defined or compat is defined
     continue: false
 
   # libomp and lld are supported in s390x for LLVM >= 18. Until tmt provides