ARM: dts: rk312x-android: enable fiq mode

Change-Id: Idc400661beb11ba5198add30236f4365038859c9
Signed-off-by: Liang Chen <cl@rock-chips.com>

Author: Liang Chen

arch/arm/boot/dts/rk312x-android.dtsi

@@ -112,7 +112,7 @@
 		rockchip,signal-irq = <159>;
 		rockchip,wake-irq = <0>;
 		/* If enable uart uses irq instead of fiq */
-		rockchip,irq-mode-enable = <1>;
+		rockchip,irq-mode-enable = <0>;
 		rockchip,baudrate = <115200>;  /* Only 115200 and 1500000 */
 		interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>;
 		status = "okay";