Add a directory by kernel instead of a common root, add qnap-301w and rpi4 kernel 6.1 suppport

5.4/target/linux/ipq40xx/base-files/sbin/mnf_info

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+while [[ $# -gt 0 ]]; do
+    case $1 in
+	-n|--name)
+	    echo $(dd if=/dev/mtd13 bs=1 count=12 skip=16 2>/dev/null)
+	    shift
+	    ;;
+    esac
+done