phb4: Print WOF registers on fence detect
phb4: Print WOF registers on fence detect

Without the WOF registers it's hard to figure out what went wrong first,
so print those when we print the FIRs when a fence is detected.

Suggested-by: Mike Perez <63ec878e10fde48c0f7b812cf219b62642bbb613@us.ibm.com>
Signed-off-by: Russell Currey <b5ebcef270cdc73fa0593440445c07a93ae1bccb@russell.cc>
Reviewed-by: Vaibhav Jain <e78384dfaa97bf0f3945c4da4075af8ac33ade0a@linux.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.ibm.com>

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