package/x11r7/xdriver_xf86-video-ati: fix glamor dependency

Glamor support needs egl, fix dependency after
https://git.buildroot.net/buildroot/commit/?id=5b4bcbdafbe8e7b42d4e085a0524d70665cdbaf5

Fixes
http://autobuild.buildroot.net/results/6ac/6acd5ad820a47fc3442d3e3a5d8d72b396fb6e41/

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

package/x11r7/xdriver_xf86-video-ati/xdriver_xf86-video-ati.mk

@@ -15,7 +15,7 @@ XDRIVER_XF86_VIDEO_ATI_DEPENDENCIES = \
 	xorgproto \
 	xserver_xorg-server
 
-ifeq ($(BR2_PACKAGE_LIBEPOXY),y)
+ifeq ($(BR2_PACKAGE_HAS_LIBEGL)$(BR2_PACKAGE_HAS_LIBGL)$(BR2_PACKAGE_LIBEPOXY),yyy)
 XDRIVER_XF86_VIDEO_ATI_CONF_OPTS = --enable-glamor
 else
 XDRIVER_XF86_VIDEO_ATI_CONF_OPTS = --disable-glamor