Update the docs

docs/vendor-resources.md

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+## Updating build.env
+You can find the latest package versions in here
+ * [kernel](https://github.com/nxp-qoriq/linux/archive/refs/tags/)
+ * [busybox](https://github.com/mirror/busybox/archive/refs/tags/)
+ * [CRI-O](https://github.com/cri-o/cri-o/releases)
+ * [Kubelet](https://kubernetes.io/releases/download/)
+ * [UBoot](https://github.com/u-boot/)
+
+## The device's dts files are located at here
+https://github.com/we-are-mono/OpenWRT-ASK/tree/mono-25.12.0-rc3/target/linux/layerscape/files/arch/arm64/boot/dts/freescale
+* We need both `mono-gateway-dk-sdk.dts` and `mono-gateway-dk.dts` since the sdk one includes the non-sdk one.
+* The actual dts being used is the `mono-gateway-dk-sdk.dts`