ARM: dts: BCM5301x: Fix i2c controller interrupt type

The i2c controller should be using IRQ_TYPE_LEVEL_HIGH, fix that.

Fixes: bb097e3e ("ARM: dts: BCM5301X: Add I2C support to the DT")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm5301x.dtsi

@@ -365,7 +365,7 @@ mdio: mdio@18003000 {
 	i2c0: i2c@18009000 {
 		compatible = "brcm,iproc-i2c";
 		reg = <0x18009000 0x50>;
-		interrupts = <GIC_SPI 121 IRQ_TYPE_NONE>;
+		interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		clock-frequency = <100000>;