Merge pull request #571 from spcui/migrate_thread

qemu.cfg.host-kernel: Add option enable_check_mig_thread for Host_RHEL.7

qemu/cfg/host-kernel/Host_RHEL/7.cfg

@@ -2,6 +2,7 @@
     # RHEL-7 pointer
     host_kernel_ver_str += ".7"
     netdev_peer_re = "\s{2,}(.*?):.*?peer=(.*?)\n"
+    enable_check_mig_thread = yes
     drive_mirror:
         block_mirror_cmd = "drive-mirror"
         block_reopen_cmd = "block-job-complete"