octeontx2-af: add rx channel bpid configuration for SDP interface

commit a294209ef0c2b2ccc050fb276a04943cd128d5e4 from
git@git.assembla.com:cavium/WindRiver.linux.git

For SDP receive path the bpid needs to be configured at NIX otherwise
SDP will not receive any packets sent from host.

Signed-off-by: Radha Mohan Chintakuntla <radhac@marvell.com>
Change-Id: I4d965fb33ee80426504b25127708bffa08741dbb
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/56250


Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>