Re-enable OpenMP target and testing (#126)

* Re-enable OpenMP target and testing

* Enable openmp target tests on mi200 jobs

* Fix direct self-inclusion of header file

* Enable openmp-target testing on vega20

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Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>
Co-authored-by: Welton, Benjamin <Benjamin.Welton@amd.com>

.github/workflows/continuous_integration.yml

@@ -32,7 +32,7 @@ env:
   navi4_EXCLUDE_TESTS_REGEX: "^(test-page-migration-(execute|validate))$"
   navi3_EXCLUDE_LABEL_REGEX: "^(pc-sampling|pc_sampling|openmp-target)$"
   vega20_EXCLUDE_LABEL_REGEX: "^(pc-sampling|pc_sampling|openmp-target)$"
-  mi200_EXCLUDE_LABEL_REGEX: "^(openmp-target)$"
+  mi200_EXCLUDE_LABEL_REGEX: ""
   mi300_EXCLUDE_LABEL_REGEX: "^(pc-sampling|pc_sampling)$"
   mi300a_EXCLUDE_LABEL_REGEX: ""
   mi325_EXCLUDE_LABEL_REGEX: "^(pc-sampling|pc_sampling)$"