arm/fvp: Join cli arguments in verbose logging

It is sometimes helpful to copy and paste the cli arguments from the
verbose runfvp output (e.g. to test with a development FVP build), but
currently the arguments are printed as a Python list.  Use
shlex.join(cli) to safely join the arguments together in form that can
be reused directly in a shell.

Issue-Id: SCM-5314
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
Change-Id: Ibb5c5ed45d02e241cb3858f68740fb9d4e89357a
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm/lib/fvp/runner.py

@@ -2,6 +2,7 @@ import asyncio
 import re
 import subprocess
 import os
+import shlex
 import shutil
 import sys
 
@@ -67,7 +68,7 @@ class FVPRunner:
             if name in os.environ:
                 env[name] = os.environ[name]
 
-        self._logger.debug(f"Constructed FVP call: {cli}")
+        self._logger.debug(f"Constructed FVP call: {shlex.join(cli)}")
         self._fvp_process = await asyncio.create_subprocess_exec(
             *cli,
             stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,