Add FOSDEM meta-zephyr talk.
The meta-zephyr talk is designed for the Embedded, Mobile and Automotive devroom.
Relate-to: #9 (closed) Relate-to: https://git.ostc-eu.org/OSTC/planning/events/-/issues/1
Signed-off-by: Eilís Ní Fhlannagáin elizabeth.flanagan@huawei.com Signed-off-by: Eilís Ní Fhlannagáin pidge@pidge.org