msm: adsp: qdsp5: update debugfs to print complete buffer for 16/32-bit q's

type of pointers to read cmd,msg buffers is changed
from uint32* to unint16* to print all the buffer data.

Change-Id: I4e52040a202e0ea7b174f63d509de331289173a4
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>