Initial skeleton (revised) (#16)

* [0/N] git submodules

* [1/N] Update cmake, gitignore, external

- clang-tidy file
- update .gitignore
- update main CMakeLists.txt
- update external/CMakeLists.txt
- update rocprofiler_config_interfaces.cmake
- update rocprofiler_formatting.cmake
- update rocprofiler_interfaces.cmake
- update rocprofiler_linting.cmake
- update rocprofiler_options.cmake
- update rocprofiler_utilities.cmake

* [2/N] Update rocprofiler/config.h

- update to work with new rocprofiler.h

* [3/N] Update source/lib/rocprofiler/hsa

- hsa-types.h: static asserts
- hsa.cpp: copyTables scope
- hsa.gen.cpp: ACTIVITY_DOMAIN_HSA_API -> ROCPROFILER_TRACER_ACTIVITY_DOMAIN_HSA_API
- rename some files
- add rocprofiler_ prefix to types and enums
- HSA_API_TABLE_LOOKUP_DEFINITION macro
- get_saved_table() -> get_table()

* [4/N] Update source/lib/common

- CMake: change target_link_libraries
- defines.hpp: remove ppdefs defined in include/rocprofiler/defines.h

* [5/N] Update source/lib/rocprofiler

- updates due to changes in rocprofiler.h
- rocprofiler_config.cpp: remove unions which are now defined in include/rocprofiler
- CMakeLists.txt: rocprofiler.cpp and public hsa-runtime and hip libraries
- rocprofiler.cpp: dummy implementations for:
  - rocprofiler_query_available_agents
  - rocprofiler_create_context
  - rocprofiler_start_context
  - rocprofiler_stop_context
  - rocprofiler_flush_buffer
  - rocprofiler_destroy_buffer

* [6/N] Update license

- replace stale LBNL license

* [7/N] CMake format

source/lib/common/container/ring_buffer.cpp

@@ -1,8 +1,6 @@
 // MIT License
 //
-// Copyright (c) 2020, The Regents of the University of California,
-// through Lawrence Berkeley National Laboratory (subject to receipt of any
-// required approvals from the U.S. Dept. of Energy).  All rights reserved.
+// Copyright (c) 2023 ROCm Developer Tools
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal