layers: upgrade meta-smartphone

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
layers.txt: bump oe-core a bit

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
layers.txt: use jansa/master branches for layers

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>