Revert "Revert "PM: IVA AUTO RET relaxed workaround in idle path""

This reverts commit e77852c59ee9df0f745cff69e586096333a060c8.
Revert "EMIF: implementation of errata i735 for PM timer"

This reverts commit b618299429bf3d3232e63c223c42c72ede091c84.
Added todays changelog