ASoC: msm: qdsp6v2: fix possible integer overflow

Check integer overflow before multiplying struct size. If that happens
should return immediately. In addition if param length is greater than
MAX size from spec, better return error.

CRs-fixed: 605273
Change-Id: Iaad5f6059f02db4899f2f1762891711b2be3d15b
Signed-off-by: Fred Oh <fred@codeaurora.org>