[scripts] update adk2012 script

scripts/do-adk2012-test

@@ -1,10 +1,11 @@
 #!/bin/sh
 
 export PROJECT=adk2012-test
-UART=cu.usbserial-AE015ZNM
+UART=ttyUSB0
 
 tagit
 make &&
 adk2tool /dev/$UART erase &&
-bossac -p $UART -b -w build-sam3x-ek-test/lk.bin &&
+bossac -p $UART -b -w build-$PROJECT/lk.bin &&
+adk2tool /dev/$UART reset &&
 adk2tool /dev/$UART console