octeontx2-af: fix issue with IPv4 match for RSS

[ Upstream commit 60795bbf ]

While performing RSS based on IPv4, packets with
IPv4 options are not being considered. Adding changes
to match both plain IPv4 and IPv4 with option header.

Fixes: 41a7aa7b ("octeontx2-af: NIX Rx flowkey configuration for RSS")
Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>