snowball-hdmiservice: new package

Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Tested-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
 (on various archs and toolchains)
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>