vlc_cpu: handle MSVC machine defines
For x64, x86, arm and arm64.
See https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros
Edited by Steve Lhomme
For x64, x86, arm and arm64.
See https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros
VideoLAN code repository instance