soc: qcom: hab: Add HAB fixes, and workarounds, for GHS

Fix kernel shutdown callback crash in HAB by removing
commdev freeing in pchan free.
Add stub functions for dump_hab_wq and hab_pipe_read_dump.

Change-Id: I176085600e3ec3a40eb2f181491405c6bf4ac7bb
Signed-off-by: Anant Goel <anantg@codeaurora.org>
Signed-off-by: Zhiqiang Tu <ztu@codeaurora.org>
Signed-off-by: Yong Ding <yongding@codeaurora.org>