ARM: dts: imx6qdl: add more information for WEIM

Add the clock and compatible information for the weim.
Also adds the weim label.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6qdl.dtsi

@@ -744,9 +744,11 @@ mmdc1: mmdc@021b4000 { /* MMDC1 */
 				reg = <0x021b4000 0x4000>;
 			};
 
-			weim@021b8000 {
+			weim: weim@021b8000 {
+				compatible = "fsl,imx6q-weim";
 				reg = <0x021b8000 0x4000>;
 				interrupts = <0 14 0x04>;
+				clocks = <&clks 196>;
 			};
 
 			ocotp@021bc000 {