cc-tool: new package

cc-tool provides support for Texas Instruments CC Debugger

Signed-off-by: Marcin Bis <marcin@bis.org.pl>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
 [Arnout: avoid adding /usr/local to library path]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>