README: update to depend on master branches

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

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
hunspell: inherit autotools-brokensep

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

* oe-core has 1.6.10 version now where both issues are already resolved

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

* version 1.4.35 in oe-core isn't affected by these 3 CVEs.

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