Add a locator to compile a specific cmake target

The locator will show all the targets for the cmake projects, even the /fast one.
It allows people to build a specific target without reloading the whole project.
It's using the make prefix.

Change-Id: Ia6701bb19c1ae390af647d94d0a2834b05a1772a
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>