[qca-nss-ecm] Inner/Outer framework support for tunipip6.

This commit includes changes in ECM to support inner/outer
framework for tunipip6 pkg.

Change-Id: Ib94b574ae7b4cd16ce614e34cf00c3bdc2c74967
Signed-off-by: Apoorv Gupta <apoogupt@codeaurora.org>
4 files changed