libpdbg/p10chip: remove delay from special wakeup clearing
libpdbg/p10chip: remove delay from special wakeup clearing

These were added to the p9chip in an attempt to work around some
instability. Try without them for P10, skiboot has similarly removed
the delays.

Signed-off-by: Nicholas Piggin <24829078df5003d9dd1dd871ca2aeb0b1cf95ef4@gmail.com>
Reviewed-by: Joel Stanley <4816dabf8db1bc6cac35b3a24cab2ff844b5b0c7@jms.id.au>

open-power/pdbg,open-power/pdbg,open-power/pdbg