core/opal: Print PIR value in exit path
core/opal: Print PIR value in exit path

Useful for debugging.

CC: Nicholas Piggin <24829078df5003d9dd1dd871ca2aeb0b1cf95ef4@gmail.com>
Signed-off-by: Vasant Hegde <a6d753843573f7bfed5075c1e875b0be8007a0ab@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.ibm.com>

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