Add ATmega328P Xplained Mini board. The board is an official development kit from MCHP based on the Arduino UNO, reduced hardware, with a xplainedmini debugger and CDC ACM serial converter. Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
heap_cmd application
Shell-based test application for the heap functions malloc, free
and heap_stats. Use the help command to get more information on how to use
it.