package/x11r7/xserver_xorg-server: Fix glamor dependency

X.org xserver depends on libepoxy for glamor support, which depends on
EGL support. Mesa3d is not the only possible EGL provider therefore
change the dependency check.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/x11r7/xserver_xorg-server/xserver_xorg-server.mk

@@ -203,7 +203,7 @@ endif
 ifeq ($(BR2_PACKAGE_XPROTO_DRI3PROTO),y)
 XSERVER_XORG_SERVER_DEPENDENCIES += xlib_libxshmfence xproto_dri3proto
 XSERVER_XORG_SERVER_CONF_OPTS += --enable-dri3
-ifeq ($(BR2_PACKAGE_MESA3D_OPENGL_EGL),y)
+ifeq ($(BR2_PACKAGE_LIBEPOXY),y)
 XSERVER_XORG_SERVER_DEPENDENCIES += libepoxy
 XSERVER_XORG_SERVER_CONF_OPTS += --enable-glamor
 endif