[FS#468] Firstboot does not work on ZyXEL P-2812HNU-F1 (17.01.0-rc1)

[LEDE Bugs]

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FS#468 - Firstboot does not work on ZyXEL P-2812HNU-F1 (17.01.0-rc1)
User who did this: Ted Hess (thess)
Reported Version: Trunk -> lede-17.01

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=468