Update openSUSE package mapping for libffi-dev
Update openSUSE package mapping for libffi-dev

Change-Id: I9c5ec5bd839a51a5292be37a7696499554c6ae16

JioCloud/diskimage-builder,openstack/diskimage-builder,switch-ch/diskimage-builder,CSC-IT-Center-for-Science/diskimage-builder,JioCloud/diskimage-builder,citrix-openstack-build/diskimage-builder,NaohiroTamura/diskimage-builder,varunarya10/diskimage-builder,rdo-management/diskimage-builder,takahashinobuyuki/diskimage-builder,eantyshev/diskimage-builder,varunarya10/diskimage-builder,CSC-IT-Center-for-Science/diskimage-builder,zioproto/diskimage-builder,rdo-management/diskimage-builder,NaohiroTamura/diskimage-builder,citrix-openstack-build/diskimage-builder,eantyshev/diskimage-builder,openstack/diskimage-builder,takahashinobuyuki/diskimage-builder,switch-ch/diskimage-builder,zioproto/diskimage-builder