Fix pba_offset initialization value for BAIDU KUNLUN Virtual
Function device. The KUNLUN hardware returns an incorrect
value for the VF PBA offset, and add a quirk to instead
return a hardcoded value of 0xb400.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210713093743.942-1-caihuoqing@baidu.com
[aw: comment & whitespace tuning]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>