ipc: apr: Support ADSP restart recovery when stuck

Add interface to register callback with adsp loader client.
When adsp is stuck and does not respond for apr_send_pkt,
resulting in continuous EAGAIN error, trigger this
callback to enable adsp subsystem restart.

Change-Id: Ib59cfdfba3313581d6612b872a2b7f1e19f8a76d
Signed-off-by: Soumya Managoli <smanag@codeaurora.org>