serial: 8250_pci: Replace custom code with pci_match_id()

serial_pci_is_blacklisted() is very similar to pci_match_id() implementation.
Replace it with the latter.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>