enable BR2_PACKAGE_LIBGLVND for Zoom v7 client compatibility.

Author: jens-maus

buildroot-external/Buildroot.config

@@ -54,6 +54,7 @@ BR2_PACKAGE_DEJAVU=y
 BR2_PACKAGE_LIBVA=y
 BR2_PACKAGE_LIBERATION=y
 BR2_PACKAGE_LIBDRM=y
+BR2_PACKAGE_LIBGLVND=y
 BR2_PACKAGE_MESA3D=y
 BR2_PACKAGE_MESA3D_LLVM=y
 BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_LLVMPIPE=y