octeontx2-af: Add support for RSS hashing based on Transport protocol field

Add support to choose RSS flow key algorithm with IPv4 transport protocol
field included in hashing input data. This will be enabled by default.
There-by enabling 3/5 tuple hash

Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: George Cherian <george.cherian@marvell.com>
Link: https://lore.kernel.org/r/20201120093906.2873616-1-george.cherian@marvell.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>