Integrate meta-seco-edgehog-embedded/fix/packagegroup-testing

Commit: https://git.seco.com/edgehog/layers/seco/meta-seco-edgehog-embedded/-/commit/5dc47d81460c106760bebd5cc9aaf238c0352beb

[PACKAGEGROUP] testing: fix default packages

Add network, graphics and multimedia in the default package.

Signed-off-by: Ettore Chimenti ettore.chimenti@seco.com