[SMPS2ASM] SMPS Terminology needs updating

[flamewing]

Related issue: flamewing/flamedriver#4

Terminology reference.

Basically:

• smpsNoAttack → smpsHoldNote
• smpsAlternameSMPS → smpsRawFreqMode
• smpsSetvoice → smpsFMInstrument
• smpsPSGvoice → smpsPSGInstrument
• smpsHaltMusic → smpaMusicPause
• smpsNoteFill → smpsNoteTimeout