author Tejun Heo <htejun@gmail.com> 1170662488 +0900
committer Jeff Garzik <jeff@garzik.org> 1172368332 -0500

pata_amd: fix an obvious bug in cable detection

80c test mask is at bits 18 and 19 of EIDE Controller Configuration
not 22 and 23.  Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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