[FS#774] fixup-mac-address script is broken

[LEDE Bugs]

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

User who did this - neheb (neheb) 

Attached to Project - LEDE Project
Summary - fixup-mac-address script is broken
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:
 - Device problem occurs on - Witi
 - Software versions of LEDE release, packages, etc. - latest trunk
 - Steps to reproduce - run
   
/sbin/fixup-mac-address: line 10: ramips_board_name: not found
Unsupported board

Even after commenting it out it still doesn't work: 

mtd_get_mac_binary: partition  not found!
Current MAC address: 
Overwrite (y/N)?

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=774