ARM: ux500: Supply the TWD Timer clock lookup to the DBX500 DT

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/ste-dbx5x0.dtsi

@@ -71,6 +71,8 @@ timer@a0410600 {
 			compatible = "arm,cortex-a9-twd-timer";
 			reg = <0xa0410600 0x20>;
 			interrupts = <1 13 0x304>; /* IRQ level high per-CPU */
+
+			clocks = <&smp_twd_clk>;
 		};
 
 		rtc@80154000 {