slim-msm: Use non-interruptible wait for QMI message

Using interruptible wait for QMI transaction can result
in false abortion of wait on task, due to unwanted signal
handling.

To avoid unnecessary signal handling, use non-interruptible
wait for QMI transactions.

Change-Id: I515271fc3dfd073df82d102508704db5e45352f4
Signed-off-by: Shrey Vijay <shreyv@codeaurora.org>