New package: bluez-utils

Bluetooth utils often used in embedded system, add it to package.

[Peter: fix dbus dependency]
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>