Don't display the redundant `ehci_pci_attach: companion usbX' messages unless EHCI debugging is enabled.
Don't display the redundant `ehci_pci_attach: companion usbX'
messages unless EHCI debugging is enabled.

Suggested by:	scottl

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase