[qca-nss-drv] Remove dscp2pri as a special node

The dscp2pri package has been made into a simple helper package
in NSS FW to enable easy re-use. Since it is no longer a standalone
node, the dscp to priority mappings will now be sent through the
user nodes, namely ipv4 and ipv6.

Change-Id: I00330611a3b1378be827bb79fb2dab8794546f01
Signed-off-by: Sakthi Vignesh Radhakrishnan <sradhakr@codeaurora.org>
12 files changed