octeontx2-af: configure npc for cn10k to allow packets from cpt

On CN10K, the higher bits in the channel number represents the CPT
channel number. Mask out these higher bits in the npc configuration
to allow packets from cpt for parsing.

Signed-off-by: Vidya <vvelumuri@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>