Don't install manpage for spic(4), which is i386 only, on x86_64.
kernel/pci: Don't perform the maximum register number check.

Different sub-kinds of PCI buses may have different rules and thus it
is up for the bus backends to do proper input checks. For example,
PCIe allows configuration register numbers < 0x1000, while for PCI
proper the limit is 0x100.

Taken-from: FreeBSD