app/testpmd: add new types to RSS hash commands

app/testpmd: add new types to RSS hash commands

Add some new types, such as eth/l2-src-only/l2-dst-only/svlan/cvlan/
l2tpv3/esp/ah/pfcp types into RSS hash commands, it could be used
to configure these rss input set by cmdline.

Example flow commands was:
testpmd>flow create 0 ingress pattern eth / ipv4 / l2tpv3oip / end \
	actions rss types l2tpv3 end key_len 0 queues end / end

port config commands was:
testpmd>port config all rss l2tpv3

Signed-off-by: Jeff Guo <jia.guo@intel.com>
Acked-by: Ori Kam <orika@mellanox.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>