This sample did not enable gpio driver, so nothing happens after flash
firmware into a board.
By enabling gpio driver to fix it.
Signed-off-by: Aaron Tsui <aaron.tsui@outlook.com>
The README.txt file is updated with information about wiring
and building. A testcase.ini file is also added by this patch.
Change-Id: I7354d844ac3dec41f0c9af02ede5da26f3ad0398
Signed-off-by: Flavio Santes <flavio.santes@intel.com>