ARM: at91/dt: at91sam9: use ddrck in ramc

Make the ram controller driver take the ddrck clock for at91sam9n12 and
at91sam9x5.
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -85,6 +85,8 @@
 			ramc0: ramc@ffffe800 {
 				compatible = "atmel,at91sam9g45-ddramc";
 				reg = <0xffffe800 0x200>;
+				clocks = <&ddrck>;
+				clock-names = "ddrck";
 			};
 
 			pmc: pmc@fffffc00 {

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -93,6 +93,8 @@
 			ramc0: ramc@ffffe800 {
 				compatible = "atmel,at91sam9g45-ddramc";
 				reg = <0xffffe800 0x200>;
+				clocks = <&ddrck>;
+				clock-names = "ddrck";
 			};
 
 			pmc: pmc@fffffc00 {