hw/ast: Print something decent for PNOR LPC offset
hw/ast: Print something decent for PNOR LPC offset

Print the actual offset rather than the register content and
use PR_DEBUG log level

Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

mikey/skiboot,jk-ozlabs/skiboot,legoater/skiboot,jk-ozlabs/skiboot,legoater/skiboot,open-power/skiboot,shenki/skiboot,apopple/skiboot,mikey/skiboot,csmart/skiboot,shenki/skiboot,ddstreet/skiboot,shenki/skiboot,neelegup/skiboot,stewart-ibm/skiboot,qemu/skiboot,mikey/skiboot,cyrilbur-ibm/skiboot,qemu/skiboot,qemu/skiboot,apopple/skiboot,legoater/skiboot,stewart-ibm/skiboot,shenki/skiboot,cyrilbur-ibm/skiboot,legoater/skiboot,apopple/skiboot,open-power/skiboot,csmart/skiboot,open-power/skiboot,neelegup/skiboot,open-power/skiboot,csmart/skiboot,qemu/skiboot,stewart-ibm/skiboot,cyrilbur-ibm/skiboot,legoater/skiboot,shenki/skiboot,open-power/skiboot,ddstreet/skiboot,ddstreet/skiboot,jk-ozlabs/skiboot,qemu/skiboot,neelegup/skiboot