[SCSI] qla2xxx: Use standard PCIe Capability Link register field names
[SCSI] qla2xxx: Use standard PCIe Capability Link register field names

Use the standard #defines for PCIe Link Capability register fields
rather than bare numbers.  This also uses the new PCI Express Capability
accessor rather than reading the capability directly.

Signed-off-by: Bjorn Helgaas <f10ec01be0c6b54271af5c550cd257810bdf3268@google.com>
Acked-by: Saurav Kashyap <88d6fd94e71a9ac276fc44f696256f466171a3c0@qlogic.com>
Acked-by: Giridhar Malavali <799b6491fce2c7a80b5fedcf9a728560cc9eb954@qlogic.com>
KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs