[FS#227] PPPoE is broken on WRT1900ACS

[LEDE Bugs]

The following task has a new comment added:

FS#227 - PPPoE is broken on WRT1900ACS
User who did this - Carlo (acarlo)

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here you go:

carlo at ubuntu:~/source$ git bisect bad
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[c18edcec4500008a1dabf0b017322eb23b059c58] base-files: add preinit ifname detection based on board.json
carlo at ubuntu:~/source$ 

Important: while testing the builds, I had some of them that would build without errors but didn't let the router to boot, so I marked them as bad.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=227#comment645