[INTERNAL] Add platform specific cpu relax method for various platforms.
[INTERNAL] Add platform specific cpu relax method for various platforms.

xenigmax/seqan,xenigmax/seqan,bestrauc/seqan,xenigmax/seqan,xenigmax/seqan,bestrauc/seqan,bestrauc/seqan,bestrauc/seqan,xenigmax/seqan,bestrauc/seqan,bestrauc/seqan,xenigmax/seqan,xenigmax/seqan,bestrauc/seqan,xenigmax/seqan,bestrauc/seqan