Update sd_raw_config_roland.h

Hi, I added Teensy++2.0 (AT90USB1286) compatibility. 
To be used with Teensyduino add-on (http://www.pjrc.com/teensy/td_download.html).
Wiring for Teensy++2.0 : https://googledrive.com/host/0B-MCtIPj5DWRQ1kxTC10T0Nza0k/3dsunbricker_for_Teensy++2.0_wiring.png
Merge pull request #2 from littlebalup/patch-1

Update sd_raw_config_roland.h