H353 add speed support

[superg]

The TS-H353C has a secret speed mode
Samsung Magic Speed allows it or these two scsi calls

High Speed Mode
ff 07 b0 00 00 00 ff 00 00 00 00 aa

Read Speed Mode
ff 07 b1 00 00 00 00 00 00 00 ff aa

Slow Speed Mode
ff 07 b0 00 00 00 00 00 00 00 00 aa