via82cxxx: keep local ide_pci_device_t copy

* Keep local ide_pci_device_t copy in via_init_one().

* Adjust ide_pci_device_t copy according to id->driver_data in via_init_one()
  and remove no longer needed second via82cxxx_chipsets[] entry.

* via82cxxx_chipsets[] -> via82cxxx_chipset.

* Remove IDE_HFLAGS_VIA define.

* Bump driver version.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>