ARM: dts: NSP: Fix i2c controller interrupt type

The i2c controller should use IRQ_TYPE_LEVEL_HIGH instead of
IRQ_TYPE_NONE.

Fixes: 0f9f27a3 ("ARM: dts: NSP: Add I2C support to the DT")
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm-nsp.dtsi

@@ -391,7 +391,7 @@
 			reg = <0x38000 0x50>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-			interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>;
+			interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
 			clock-frequency = <100000>;
 			dma-coherent;
 			status = "disabled";