Initial hallon support

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I26a804929b1cbde6ebfa0eacfd67728c7a53e4e4
Add hallon defconfig

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I99018a39a992b64c24824c2ac97af0a4d3256f93