witherspoon: Add nvlink peers in finalise_dt()
witherspoon: Add nvlink peers in finalise_dt()

This information is consumed by Linux so it needs to be in the DT. Move
it to finalise_dt().

Cc: A Russian <ac1fc56530d7d037e1ea666f130daca22d72f964@ozlabs.ru>
Fixes: 9fc0c1287ada ("Move FSP specific op-panel calls to platform.exit()")
Signed-off-by: Oliver O'Halloran <3dfaff8fa6ae977f042064a112a6aac576279b9b@gmail.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.ibm.com>

qemu/skiboot,qemu/skiboot,qemu/skiboot,qemu/skiboot,open-power/skiboot,legoater/skiboot,stewart-ibm/skiboot,legoater/skiboot,legoater/skiboot,open-power/skiboot,shenki/skiboot,open-power/skiboot,open-power/skiboot,shenki/skiboot,stewart-ibm/skiboot,open-power/skiboot,shenki/skiboot,shenki/skiboot,legoater/skiboot,stewart-ibm/skiboot,shenki/skiboot,legoater/skiboot,qemu/skiboot