wayland: only remove libwayland-egl if not using vc4graphics, e.g. when using userland
wayland: only remove libwayland-egl if not using vc4graphics, e.g. when using userland

Related to PR #247.

Signed-off-by: Hugo Hromic <ce89d3504d1ca35fd62a37545dd45feafe0b4199@gmail.com>

agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,schnitzeltony/meta-raspberrypi,schnitzeltony/meta-raspberrypi,leon-anavi/meta-raspberrypi,kraj/meta-raspberrypi,agherzan/meta-raspberrypi,schnitzeltony/meta-raspberrypi,kraj/meta-raspberrypi,kraj/meta-raspberrypi,leon-anavi/meta-raspberrypi,agherzan/meta-raspberrypi,leon-anavi/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi