Fixed several bugs in the emulation of the National Semiconductors PC87306 Super I/O chip;

Attempt to fix sound fluttering in waiting for a better fix from mainline PCem;
Attempt to make the Sound Blaster louder;
Removed excess logging from cdrom_ioctl.c.

src/soundopenal.c

@@ -123,7 +123,6 @@ void inital()
         for (c = 0; c < 4; c++)
         {
                 alBufferData(buffers[c], AL_FORMAT_STEREO_FLOAT32, buf, BUFLEN*2*sizeof(float), FREQ);
-                alBufferData(buffers_cd[c], AL_FORMAT_STEREO_FLOAT32, buf, CD_BUFLEN*2*sizeof(float), CD_FREQ);
                 alBufferData(buffers_cd[c], AL_FORMAT_STEREO_FLOAT32, cd_buf, CD_BUFLEN*2*sizeof(float), CD_FREQ);
         }