[qca-nss-qdisc] Flush all the queues before configuration change

Disable and flush all the queues before doing any change in
scheduler's confgiuraton.

Change-Id: I911cd3f4779e398f0dfb5b60f2840c5bea2ba919
Signed-off-by: Suruchi Agarwal <suruchia@codeaurora.org>
1 file changed