The source project of this merge request has been removed.
libvpx 2023-01-27 (34bfae30)
Perl was necessary to generate runtime cpu detection headers. This commit removes that need with pregenerated headers for x86 and arm neon assembly.
Code extracted from:
https://gitlab.kitware.com/third-party/libvpx.gitat commit 34bfae30cd4d130d4f0354ade88b37bcccc75fac (for/vtkstreaming-20230127.1-v1.12.0).