PCI: Fix printk field formatting

Previously we used "%#08x" to print a 32-bit value.  This fills an
8-character field with "0x...", but of course many 32-bit values require a
10-character field "0x12345678" for this format.  Fix the formats to avoid
confusion.

Link: https://lore.kernel.org/r/20230824193712.542167-5-helgaas@kernel.org


Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>