Added openmp doxygen; increased the doxygent step timeout, as it could take a long time without anything in TTY.

[gkistanova]

LGTM

zorg/buildbot/builders/DoxygenDocsBuilder.py

 
 llvm_docs = OrderedDict([
   # Project             Build target     Local path                                    Remote path
   ("llvm",              ("doxygen",      "docs/doxygen/html/",                         "llvm")),
   ("clang",             (None,           "tools/clang/docs/doxygen/html/",             "cfe")),
   ("clang-tools-extra", (None,           "tools/clang/tools/extra/docs/doxygen/html/", "cfe-extra")),
   ("flang",             (None,           "tools/flang/docs/doxygen/html/",             "flang")),
   ("polly",             (None,           "tools/polly/docs/doxygen/html/",             "polly")),
-  # openmp?
+  ("openmp",            (None,           "projects/openmp/docs/doxygen/html/",         "openmp")),
   ("lldb",              ("lldb-cpp-doc", "tools/lldb/docs/cpp_reference/",             "lldb/cpp_reference")),
   # NOTE: 5/9/2020 lldb-python-doc fails to build. Disabled till be fixed.
   #(None,   ("lldb-python-doc",         "tools/lldb/docs/python_reference/",  "lldb")),
 ])
 
 def getLLVMDocsBuildFactory(
         clean = True,
         depends_on_projects = None,
for project in llvm_docs:
 
         # Build only those with specifies targets.
         if target:
             UnifiedTreeBuilder.addNinjaSteps(
                 f,
                 # Doxygen builds the final result for really
                 # long time without any output.
                 # We have to have a long timeout at this step.
-                timeout=10800,
+                timeout=21600,
                 targets=[target],
                 checks=[],
                 env=merged_env,
                 **kwargs)
 
     # Publish just built documentation
     for project in llvm_docs:
         target, local_path, remote_path = llvm_docs[project]