[FS#685] x86: sysupgrade to LEDE lose the configuration

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Alexander Couzens (lynxis) 

Attached to Project - LEDE Project
Summary - x86: sysupgrade to LEDE lose the configuration
Task Type - Bug Report
Category - Base system
Status - New
Assigned To - 
Operating System - All
Severity - High
Priority - Medium
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Try to update x86_64 from OpenWrt (r48532) to LEDE (r2993).
It will loose all configuration, but the system comes back online with default configuration.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=685