Details:
- Updated pack function call in ic loop to accept correct params.
- Modified documentation in bench file to reflect updated usage of
bench for downscaled APIs.
- Modified memory allocation for C panel in BF16 APIs to use
BLIS_BUFFER_FOR_GEN_USE while requesting for memory from pool.
Change-Id: Id624ed92ae7c8dafd7f6a32fc1554d2357de4df5