Add a patch for busybox shell
Using ash and midnight commander together makes the ash history unusable
due a lot of technical commands from mc itself. The suggested patch:
https://github.com/Entware/Entware/blob/master/package/utils/busybox/patches/520-rubbish-history-mc.patch
Or something similar.
(from redmine: issue id 9424, created on 2018-09-18)