PCI: Cleanup pci.h whitespace
PCI: Cleanup pci.h whitespace

Put empty or trivial inline stub functions on one line when they fit.  No
functional change.

Signed-off-by: Bjorn Helgaas <f10ec01be0c6b54271af5c550cd257810bdf3268@google.com>
KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs