lib: Solve conflicting names

Due to a name conflict (import system from ovirt.node.utils and the
function itself) the keyboard config couldn't be loaded during boot.
This is now solved by fixing the import.

Change-Id: I5e92b5b3ffd44973c1bd085accfcc93933caf318
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1000867
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>