dsp: add support to crash device when send APR CMD to ADSP timed out

Add support to use debugfs to crash device when q6lsm_apr_send_pkt
timed out due to no response from ADSP. By crashing the device,
crash dump can be collected to aid debugging on ADSP.

Change-Id: I2c53f62a9f99ee6f27fe68894dfbd3dc3aa52ed1
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>