K 10
svn:author
V 7
slavash
K 8
svn:date
V 27
2018-12-05T13:17:45.828697Z
K 7
svn:log
V 280
linuxkpi: Really check if PCI is offline

Currently we always return false if for PCI offline query.
Try to read PCI config, if the return value if 0xffff probably the
PCI is offline.

Approved by:    hselasky (mentor)
MFC after:      1 week
Sponsored by:   Mellanox Technologies

END