cli: fix dir command's $HOME when not logged in as root

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

board/common/rootfs/usr/bin/dir

@@ -21,7 +21,11 @@ dir()
 if [ -d "$1" ]; then
     dir "$1"
 else
-    dir "$HOME"
+    if [ "$USER" = "root" ]; then
+	dir "$HOME"
+    else
+	dir "/home/$USER"
+    fi
     dir "/cfg"
     dir "/log"
 fi