octeontx2-af: Add IPv6 Src/Dst ip to MCAM rules

commit 0d5f02c4ff7d22c0fb2ffb00b0b84c6185dddda0 from
git@git.assembla.com:cavium/WindRiver.linux.git

Added support for installing IPv6 source and
destination ip address MCAM rules.

Change-Id: Ifac1398e15e8234919c9ec2480ef58104a7237ca
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/38175


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>