[qca-nss-qdisc] set debug level to warning

Moves the default compile time debug level to a warning. Also
changed two debugs to trace level from warning.

Change-Id: I3c171d2d6cf70231d1360b0f376aaf29979f1034
Signed-off-by: Sakthi Vignesh Radhakrishnan <sradhakr@codeaurora.org>
2 files changed