[PATCH 4/4] ARM: dts: vfxxx: add arm,num-irq-priority-bits for nvic

[Frank Li]

Add arm,num-irq-priority-bits(4) for nvic to fix below CHECK_DTB warnings:
  arch/arm/boot/dts/nxp/vf/vf610m4-colibri.dtb: interrupt-controller at 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 at nxp.com>
---
 arch/arm/boot/dts/nxp/vf/vf610m4.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/vf/vf610m4.dtsi b/arch/arm/boot/dts/nxp/vf/vf610m4.dtsi
index 2bb331a87721000880cebeb81dd3c00febfbed3c..ccb5deb4e9528fe005a5691347d4a3852fa52ca3 100644
--- a/arch/arm/boot/dts/nxp/vf/vf610m4.dtsi
+++ b/arch/arm/boot/dts/nxp/vf/vf610m4.dtsi
@@ -52,6 +52,10 @@ / {
 	aliases { };
 };
 
+&nvic {
+	arm,num-irq-priority-bits = <4>;
+};
+
 &mscm_ir {
 	interrupt-parent = <&nvic>;
 };

-- 
2.34.1