ARM: at91/dt: sama5d3: define mpddr clock and ramc clocks

Define the available clock for mprddr and take both mpddr_clk and ddrck in the
ram controller driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/sama5d3.dtsi

@@ -402,8 +402,10 @@
 			};
 
 			ramc0: ramc@ffffea00 {
-				compatible = "atmel,at91sam9g45-ddramc";
+				compatible = "atmel,sama5d3-ddramc";
 				reg = <0xffffea00 0x200>;
+				clocks = <&ddrck>, <&mpddr_clk>;
+				clock-names = "ddrck", "mpddr";
 			};
 
 			dbgu: serial@ffffee00 {
@@ -1170,6 +1172,11 @@
 						#clock-cells = <0>;
 						reg = <48>;
 					};
+
+					mpddr_clk: mpddr_clk {
+						#clock-cells = <0>;
+						reg = <49>;
+					};
 				};
 			};