DT: increase amvideocap memory

Author: Portisch

arch/arm64/boot/dts/amlogic/coreelec_common.dtsi

@@ -55,7 +55,7 @@
 		compatible = "amlogic, amvideocap";
 		dev_name = "amvideocap.0";
 		status = "okay";
-		max_size = <8>; //8M
+		max_size = <24>; //24M
 	};
 
 	dummy_venc: dummy_venc {