PCI: cpqphp: Remove unreachable path

register & 0x0B == 0x04 is never true, the code will always take the
(identical) 0x00 path anyway. Remove the dead code paths.

Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44151


Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>