- Register ZMM16 to ZMM31 are zeroed after L3 api calls.
- This change is done only for ZEN4 code path.
- bli_zero_zmm function is added which resets these registers.
AMD-Internal: [CPUPL-3882]
Change-Id: I7f16fde567c72ae6e9d5d6c6d5d167dd7d54a3b8
(cherry picked from commit d245ef5fb264cd1fcfa03c842ea97a436a26e7a2)