PCI: cpqphp: Add missing call to pci_disable_device()

Most error branches following the call to pci_enable_device() contain a
call to pci_disable_device().  Add these calls where they are missing.

This issue was found with Hector.

Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>