Added dependency for wayland-server to brcm-egl.

brcm-egl appears to not be linking to wayland-server anymore,
added dependency to brcm-egl.

Change-Id: I5e4eceff138253460861d9d9fb4e3ae771ab887e
Reviewed-by: Andrew Knight <andrew.knight@digia.com>
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>