Supplementary files for OpenMP(R) API Specification Version 6.0

Apply fixes to the supplementary files for OpenMP(R) API Specificatio…

…n Version 5.2

Supplementary files for OpenMP(R) API Specification Version 5.1

This commit updates the published source files with the changes made for
the OpenMP API specification, version 5.1.

Supplementary files for OpenMP(R) API Specification Version 5.0

This commits adds headers and stubs for the runtime routines as defined
by the OpenMP API Specification Version 5.0.  It also adds the header
files for the tools interfaces.