net/mvpp2: skip QoS init if not requested
net/mvpp2: skip QoS init if not requested

Skip qos init if not requested

Signed-off-by: Liron Himi <df7a1fcdffe73785b04dbbbb050c783d856d9736@marvell.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk