patch.py: Use shlex instead of deprecated pipe

The pipe library is deprecated in Python 3.11 and will be removed in
Python 3.13.  pipe.quote is just an import of shlex.quote anyway.

Clean up imports while we're at it.

(From OE-Core rev: a6ef13bdad40826d76a3331cd0878bb22510f375)

Signed-off-by: Ola x Nilsson <olani@axis.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
(cherry picked from commit 5f33c7b99a991c380d1813da8248ba5470ca4d4e)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/lib/oe/patch.py

@@ -2,6 +2,9 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
+import os
+import shlex
+import subprocess
 import oe.path
 import oe.types
 
@@ -24,7 +27,6 @@ class CmdError(bb.BBHandledException):
 
 
 def runcmd(args, dir = None):
-    import pipes
     import subprocess
 
     if dir:
@@ -35,7 +37,7 @@ def runcmd(args, dir = None):
         # print("cwd: %s -> %s" % (olddir, dir))
 
     try:
-        args = [ pipes.quote(str(arg)) for arg in args ]
+        args = [ shlex.quote(str(arg)) for arg in args ]
         cmd = " ".join(args)
         # print("cmd: %s" % cmd)
         (exitstatus, output) = subprocess.getstatusoutput(cmd)