odroid: max98090: part 1 - fix epll calc
sound: odroid_max98090: part 2, This concludes the fix to properly support 48kHz audio.

Test file used: http://download.wavetlan.com/SVV/Media/HTTP/WAV/WindowsSoundRecorder/WindowsSoundRecorder_test16_10s_PCM_CBR_1536kbps_Stereo_48000Hz_16bit.wav

Results:
aplay WindowsSoundRecorder_test16_10s_PCM_CBR_1536kbps_Stereo_48000Hz_16bit.wav
Playing WAVE 'WindowsSoundRecorder_test16_10s_PCM_CBR_1536kbps_Stereo_48000Hz_16bit.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo

Sound played nice without noise