opal-prd: Display messages at startup and shutdown
opal-prd: Display messages at startup and shutdown

On a system the PRD daemon was starting without a PNOR path, and it was
hard to diagnose what had happened. These messages should help in that
case.

Signed-off-by: Joel Stanley <4816dabf8db1bc6cac35b3a24cab2ff844b5b0c7@jms.id.au>
Acked-by: Jeremy Kerr <68a658b44bbaefab3ef5cd231967195fc0ff9d69@ozlabs.org>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

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