pelux.xml: bump pelux revisions
pelux.xml: bump pelux revisions

Point to latest master revisions:
meta-pelux
meta-bistro
meta-template

Point to latest qt 5.12 revisions:
meta-qt5
meta-boot2qt

Signed-off-by: Tariq Ansari <dad672abc2e4079f76b3a3bd368bb45008914527@luxoft.com>

sashko/pelux-manifests,Pelagicore/pelux-manifests