arm: dt: Update BCM2711 HEVC decoder compatible string to match upstream

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

Author: 6by9

arch/arm/boot/dts/broadcom/bcm2711.dtsi

@@ -614,7 +614,7 @@
 		};
 
 		hevc_dec: codec@7eb10000 {
-			compatible = "brcm,bcm2711-hevc-dec", "raspberrypi,hevc-dec";
+			compatible = "brcm,bcm2711-hevc-dec";
 			reg = <0x0 0x7eb00000  0x10000>, /* HEVC */
 			      <0x0 0x7eb10000  0x1000>;  /* INTC */
 			reg-names = "hevc",