[FIXED][PSX] Fixes and additions to my dumps data

I'm redumping and verifying my older dumps, I can add a few previously missing data:

BattleTanx: Global Assault

http://redump.org/disc/1617/

factory write offset: -647
sector errors: 0

Croc: Legend of the Gobbos

http://redump.org/disc/1137/

factory write offset: +2
sector errors: 0

Disney's Hercules

http://redump.org/disc/1608/

factory write offset: +2
sector errors: 0

Metal Gear Solid (Disc 1)

http://redump.org/disc/100/

factory write offset: -647
sector errors: 0

Metal Gear Solid (Disc 2)

http://redump.org/disc/101/

factory write offset: -647
sector errors: 0

NBA Live 99

http://redump.org/disc/1618/

factory write offset: -647
sector errors: 0

Tomb Raider Chronicles: La Leggenda di Lara Croft

http://redump.org/disc/1619/

factory write offset: -647
sector errors: 0