package/mesa3d-demos: use BR2_PACKAGE_MESA3D_GBM

Use BR2_PACKAGE_MESA3D_GBM introduced by commit
b6c051acf787c804e732bc58ba8d7e440701a168

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/mesa3d-demos/mesa3d-demos.mk

@@ -43,7 +43,7 @@ else
 MESA3D_DEMOS_CONF_OPTS += --disable-vg
 endif
 
-ifeq ($(BR2_PACKAGE_MESA3D_OPENGL_EGL),y)
+ifeq ($(BR2_PACKAGE_MESA3D_GBM),y)
 MESA3D_DEMOS_DEPENDENCIES += mesa3d
 MESA3D_DEMOS_CONF_OPTS += --enable-gbm
 else