Add OpenSuSE 12.3 nodes to Packaging Jenkins

3 nodes will be added for RTA test

Change-Id: I1dcaa5236ceae2bb883a0f79c208c26d7fb66002
Reviewed-by: Simo Fält <simo.falt@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>