This is the start of the series of commits focussed on
cleaning up the exmaples/ directory.
This commit moves mraa-gpio, mraa-i2c, mraa-uart files
out of examples directory into new tools directory. Moved
files are the good cadidates to be treated as tools
instead of examples.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>