ARM: dts: dra7-ipu-dsp-common: add timer14 for EVE

- IPU1 helps reserve GP timer14 for use in EVEs' firmware.

Signed-off-by: Yuan Zhao <yuanzhao@ti.com>

arch/arm/boot/dts/dra7-ipu-dsp-common.dtsi

@@ -28,7 +28,9 @@
 
 &ipu1 {
 	mboxes = <&mailbox5 &mbox_ipu1_ipc3x>;
-	timers = <&timer11>;
+        /* IPU1 reserves timer11 for use in IPU1's firmware */
+        /* IPU1 reserves timer14 for use in EVEs' firmware */
+	timers = <&timer11 &timer14>;
 	watchdog-timers = <&timer7>, <&timer8>;
 };