[FS#291] Predefined config files at <buildroot>/files directory not copy to the router image

[LEDE Bugs]

The following task has a new comment added:

FS#291 - Predefined config files at /files directory not copy to the router image 
User who did this - Denis (rwx)

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Sorry, I was inattentive! All files present in / directory.
Pleace, close task.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=291#comment902