Adds more comments on how to use sd on teensy audio board

Adds more comments on how to use sd on teensy audio board

examples/CardInfo/CardInfo.ino

@@ -40,6 +40,7 @@ const int chipSelect = 4;
 
 void setup()
 {
+  //UNCOMMENT THESE TWO LINES FOR TEENSY AUDIO BOARD:
   //SPI.setMOSI(7);  // Audio shield has MOSI on pin 7
   //SPI.setSCK(14);  // Audio shield has SCK on pin 14
   

examples/DumpFile/DumpFile.ino

@@ -9,6 +9,7 @@
  ** MOSI - pin 11, pin 7 on Teensy with audio board
  ** MISO - pin 12
  ** CLK - pin 13, pin 14 on Teensy with audio board
+ ** CS - pin 4, pin 10 on Teensy with audio board
  
  created  22 December 2010
  by Limor Fried