Corrected DEVICE_TYPE for Odroid HC2 to reflect bootable device

machines/ODROID-HC2/definition.xml

@@ -11,7 +11,7 @@
  <property name="DISK" value="${ROOT_DEVICE}p"/>
  <property name="SECONDARY" value="mmcblk1p"/>
  <property name="BOARD" value="odroid-hc2"/>
- <property name="DEVICE_TYPE" value="OdroidHC2"/>
+ <property name="DEVICE_TYPE" value="OdroidHC2oneMMC"/>
  <property name="GOARCH" value="arm"/>
  <property name="SHUTDOWN_WATCHDOG" value="15s"/>
  <property name="RUNTIME_WATCHDOG" value="15s"/>