octeontx2-pf: Add IPv6 and SCTP6 ntuple filters

commit b3c0b2df60886211c59e293a2cd180587e1b1f57 from
git@git.assembla.com:cavium/WindRiver.linux.git

Added support for installing below ntuple filters:
Raw IPv6 source and destination ips
SCTP over IPv6

Ethtool commands:

ethtool -U eth0 flow-type ip6 dst-ip <addr> \
src-ip <addr> action <N>

ethtool -U eth0 flow-type sctp6 dst-ip <addr> \
src-ip <addr> src-port <N> dst-port <N> action <N>

Change-Id: Ic8a2f101cbfcd6ce0b2fe1fc41961f9b25436479
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/38178


Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Sunil Kovvuri Goutham <Sunil.Goutham@cavium.com>
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>