From: Frank Li <Frank.Li@nxp.com>

Add missed arm,num-irq-priority-bits to fix below CHECK_DTBS warning:
arm/boot/dts/nxp/lpc/lpc4337-ciaa.dtb: interrupt-controller@e000e100 (arm,armv7m-nvic): 'arm,num-irq-priority-bits' is a required property
	from schema $id: http://devicetree.org/schemas/interrupt-controller/arm,nvic.yaml#

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi b/arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi
index d212ca252b06dc97a0cdbe5ecff42780b51a02dd..152e98cf0c4e2a3eb4f2c989600698a93b3084a3 100644
--- a/arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi
+++ b/arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi
@@ -537,3 +537,7 @@ gpio: gpio@400f4000 {
 		};
 	};
 };
+
+&nvic {
+	arm,num-irq-priority-bits = <3>;
+};

-- 
2.34.1