ahci: remove pmp link online check in FBS EH
ahci: remove pmp link online check in FBS EH

ata_link_online() check in ahci_error_intr() is unnecessary, it should
be removed otherwise may lead to lockup with FBS enabled PMP.
http://marc.info/?l=linux-ide&m=137050421603272&w=2

Reported-by: Yu Liu <7d2e72ca06d8ca7cae0b3a4597109542ee1c2e2f@gmail.com>
Signed-off-by: Shane Huang <0fd8b63c0bc3cd1316c741cc665a7c4c0433c6d1@amd.com>
Signed-off-by: Tejun Heo <546b05909706652891a87f7bfe385ae147f61f91@kernel.org>
Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs