ASoC: msm: qdsp6v2: Check for null data pointer

Add check for null data pointer in
aprv2_core_fn_q() and log error message if
true.

Signed-off-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>