Copyright safe OPLL instruments

- These instruments have mainly been estimated by human eye and ear, with utilizing 192KHz/24bit audio recording from YM2413 real chip output. No oscilloscope is used.

# In HEX format
```
0x71,0x61,0x1e,0x17,0xd0,0x78,0x00,0x17, // 1: Violin
0x13,0x41,0x1a,0x0d,0xd8,0xf7,0x23,0x13, // 2: Guitar
0x13,0x01,0x99,0x00,0xf2,0xd4,0x21,0x23, // 3: Piano
0x11,0x61,0x0e,0x07,0x8d,0x64,0x70,0x27, // 4: Flute
0x32,0x21,0x1e,0x06,0xe1,0x76,0x01,0x28, // 5: Clarinet
0x31,0x22,0x16,0x05,0xe0,0x71,0x00,0x18, // 6: Oboe
0x21,0x61,0x1d,0x07,0x82,0x81,0x11,0x07, // 7: Trumpet
0x33,0x21,0x2d,0x13,0xb0,0x70,0x00,0x07, // 8: Organ
0x61,0x61,0x1b,0x06,0x64,0x65,0x10,0x17, // 9: Horn
0x41,0x61,0x0b,0x18,0x85,0xf0,0x81,0x07, // A: Synthesizer
0x33,0x01,0x83,0x11,0xea,0xef,0x10,0x04, // B: Harpsichord
0x17,0xc1,0x24,0x07,0xf8,0xf8,0x22,0x12, // C: Vibraphone
0x61,0x50,0x0c,0x05,0xd2,0xf5,0x40,0x42, // D: Synthsizer Bass
0x01,0x01,0x55,0x03,0xe4,0x90,0x03,0x02, // E: Acoustic Bass
0x41,0x41,0x89,0x03,0xf1,0xe4,0xc0,0x13, // F: Electric Guitar
```