parport: Add support for BrainBoxes PX272/PX306 MIO card

parport: Add support for BrainBoxes PX272/PX306 MIO card

This adds support for BrainBoxes Multi I/O cards (4+1 serial + 1 parallel port):

02:00.0 0702: 135a:4100 (rev 02)
        Subsystem: 135a:0443
	Flags: fast devsel, IRQ 18
	Memory at f7d02000 (32-bit, non-prefetchable) [size=128]
	I/O ports at e000 [size=128]
	I/O ports at e080 [size=64]
	I/O ports at e0c0 [size=16]
	Memory at f7d01000 (32-bit, non-prefetchable) [size=128]
	Memory at f7d00000 (32-bit, non-prefetchable) [size=128]
	Capabilities: [50] MSI: Enable- Count=1/4 Maskable- 64bit+
	Capabilities: [78] Power Management version 3
	Capabilities: [80] Express Legacy Endpoint, MSI 01
	Capabilities: [100] Virtual Channel
	Capabilities: [800] Advanced Error Reporting

Reported-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>