ARM: at91: at91rm9200: set default mmc0 pinctrl-names

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91rm9200.dtsi

@@ -120,6 +120,7 @@ mmc0: mmc@fffb4000 {
 				interrupts = <10 IRQ_TYPE_LEVEL_HIGH 0>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				pinctrl-names = "default";
 				status = "disabled";
 			};