Add the DRVNAME define to remove the two separate references of the driver
name by string, and move the .driver.owner into the existing .driver
sub-structure.

Signed-off-by: Chris Boot <bootc@bootc.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>