icnss: Add code to downdload qdss trace config

Add code to download qdss trace config to FW and qdss trace
data from FW when source=0, i.e etb_soc or etb_wcss.

Change-Id: I18bbd74d1f4460d0232c7b3d099eb8525b406e2e
Signed-off-by: Aasir Rasheed <arasheed@codeaurora.org>