ARM: dts: mmp2-olpc-xo-1-75: Enable the GPU

Enable the 3D + 2D (GC860) GPU core.

Link: https://lore.kernel.org/r/20200718205019.184927-12-lkundrak@v3.skSigned-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/mmp2-olpc-xo-1-75.dts

@@ -272,3 +272,7 @@ sspa0_0: endpoint {
 		};
 	};
 };
+
+&gpu {
+	status = "okay";
+};