ASoC: msm: qdsp6v2: Fix memory corruption in ASM driver

During VoIP call if SSR happens there is no audio from the next call
onwards. Incorrect typecasting of void pointer causing memory corruption
in ASM driver resulting in aforementioned issue.

CRs-Fixed: 687854
Change-Id: Ib04b40b978c82e00fe78cc7b12122f2052fb14c1
Signed-off-by: Venkata Narendra Kumar Gutta <vgutta@codeaurora.org>