autotools/meson: compile against wayland-egl-*backend*

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106861
Fixes: 1db4ec05462914096b1f "egl: rewire the build systems to use libwayland-egl"
Suggested-by: Emil Velikov <emil.l.velikov@gmail.com>
Tested-by: Andreas Hartmetz <ahartmetz@gmail.com>
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
3 files changed