Added TOSHIBA MK4018GAS and the following Maxtor drive families

to knowndrives table: DiamondMax D540X-4G, Fireball 541DX,
DiamondMax 3400 Ultra ATA, DiamondMax Plus 6800 Ultra ATA 66.

Added missing Maxtor DiamondMax 16, DiamondMax D540X-4K, and
DiamondMax Plus 45 Ulta ATA 100 drives to knowndrives table.


git-svn-id: https://smartmontools.svn.sourceforge.net/svnroot/smartmontools/trunk@1684 4ea69e1a-61f1-4043-bf83-b5c94c648137