[libata] sata_sx4: named constant cleanup

* convert tabs to spaces
* convert some hex numbers to (1 << n) preferred format
* document i2c and timer control register bits

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-05-27 22:58:54 -04:00
commit b2d46b61bd