package/sunxi-mali-utgard-driver: update Config.in link to the new project URL

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit af582c9f8fb958d8860c9fcaad98c4f70a6488fa)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/sunxi-mali-utgard-driver/Config.in

@@ -36,4 +36,4 @@ config BR2_PACKAGE_SUNXI_MALI_UTGARD_DRIVER
 	    since the driver requires at least double buffering and
 	    fails to work with the default value(100).
 
-	  https://github.com/mripard/sunxi-mali/blob/master/README.md
+	  https://github.com/giuliobenetti/sunxi-mali/blob/master/README.md