Update SceMotion user library (#552)
Update SceMotion user library (#552)

Added missing struct.
Cleaned up reserved data blocks to be more uniform and made separate struct entries for missing blocks that hold information (this should not break anything).
Added missing functions.
Added documentation.
Added enums for MagFieldStability and error codes
Changed magFieldStrength naming to magFieldStability

Co-authored-by: Sunguk Lee <f5e1f1b0b6b5342fcededd8bb2cbf814d711fa6f@gmail.com>
Rinnegatamante/vita-headers,vitasdk/vita-headers,Rinnegatamante/vita-headers,vitasdk/vita-headers,vitasdk/vita-headers,Rinnegatamante/vita-headers,Rinnegatamante/vita-headers,vitasdk/vita-headers