octeontx2-pf: add support for ndo_set_vf_trust

Add support for setting a VF as a trusted VF by PF admin. Trusted VF
feature allows VFs to perform priviliged operations such as enabling
VF promiscuous mode, all-multicast mode and changing the VF MAC address
even if it was assigned by PF.

Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <Sunil.Goutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>