msm: qdsp6v2: Invalid memory access of timpani regset array

Adie codec write is accessing out of memory bound for
timpani regset array.

CRs-Fixed: 330562
Change-Id: I98f46d3b59c76ccfaf5edd6c04d1df01d431ef01
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>