connman: Rename bbappend to match new version from oe-core

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
systemd: rename .bbappend to match new version from oe-core

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
mesa: rename .bbappend to match new version from oe-core

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