ARM: at91/dt: remove bootargs

Passing earlyprintk in the bootargs may crash the board as it depends on
having a sane DEBUG_UART_PHYS configured which is not always the case.

Also remove ignore_loglevel
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91-sama5d4_xplained.dts

@@ -50,7 +50,6 @@ / {
 	compatible = "atmel,sama5d4-xplained", "atmel,sama5d4", "atmel,sama5";
 
 	chosen {
-		bootargs = "ignore_loglevel earlyprintk";
 		stdout-path = "serial0:115200n8";
 	};
 

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

@@ -50,7 +50,6 @@ / {
 	compatible = "atmel,sama5d4ek", "atmel,sama5d4", "atmel,sama5";
 
 	chosen {
-		bootargs = "ignore_loglevel earlyprintk";
 		stdout-path = "serial0:115200n8";
 	};