ARM: dts: at91: sama5d4ek: remove useless lcd_bus

lcd_bus has never been mainlined and is replaced by the atmel_hlcdc driver.
Remove stale nodes.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

arch/arm/boot/dts/at91-sama5d4ek.dts

@@ -69,26 +69,6 @@ main_xtal {
 
 	ahb {
 		apb {
-			lcd_bus@f0000000 {
-				status = "okay";
-
-				lcd@f0000000 {
-					status = "okay";
-				};
-
-				lcdovl1@f0000140 {
-					status = "okay";
-				};
-
-				lcdovl2@f0000240 {
-					status = "okay";
-				};
-
-				lcdheo1@f0000340 {
-					status = "okay";
-				};
-			};
-
 			adc0: adc@fc034000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <