amd: Enable the NFS command for Versal Gen 2

Enabled the default utilization of the NFS command on Versal Gen 2
platform to facilitate booting images through the network using
the NFS protocol

Signed-off-by: Prasad Kummari <prasad.kummari@amd.com>
Link: https://lore.kernel.org/r/20240711165734.1561933-1-prasad.kummari@amd.com


Signed-off-by: Michal Simek <michal.simek@amd.com>