Merge pull request #1876 from Emantor/topic/qemu-quote-revert

Revert qemu quoting changes

Author: Bastian-Krause

labgrid/driver/qemudriver.py

@@ -226,7 +226,7 @@ def get_qemu_base_args(self):
             boot_args.append(self.boot_args)
         if self.kernel is not None and boot_args:
             cmd.append("-append")
-            cmd.append(shlex.quote(" ".join(boot_args)))
+            cmd.append(" ".join(boot_args))
 
         return cmd