gecko: add missing Wayland dependency with libglvnd
checking for gtk+-wayland-3.0 >= 3.10 xkbcommon >= 0.4.1 libdrm >= 2.4... no
WARNING: Package libdrm was not found in the pkg-config search path.
WARNING: Perhaps you should add the directory containing `libdrm.pc'
WARNING: to the PKG_CONFIG_PATH environment variable
WARNING: Package 'libdrm', required by 'virtual:world', not found