message: added brief comment about this file
diff: @@ -13,6 +13,9 @@ See the License for the specific language governing permissions and
  limitations under the License.
  ==============================================================================*/
  +/* This file is called at power up time to initialize the chip. It in turn
  +calls _main() which is the entry point into the application */
  +
  #include <stdint.h>
  #include "eta_chip.h"
  #include "memio.h"
  