layers.txt: bump to latest dizzy branches

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
layers.conf: bump meta-smartphone tag a bit

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Track stable branch instead of dizzy

Signed-off-by: Simon Busch <morphis@gravedo.de>
layers.txt: set release tag for meta-webos-ports

Signed-off-by: Simon Busch <morphis@gravedo.de>