webos-image: Update layer pins for 2013-08-29

meta-webos as of 2013-08-29 18:39:50 -0700

df2ced4 webos-preferred-versions: Fix entry for libsoup-2.4
e7bb17d packagegroup-webos-extended: Add VIRTUAL-RUNTIME_novacomd
3bf63f0 webos-image: novacomd=124
1c8d1d0 webos-image: db8=80

Open-webOS-DCO-1.0-Signed-off-by: Susan Montooth <susan.montooth@lge.com>