[FS#261] iwinfo / txpowerlist / fails on powerpc aka TP-LINK TL-WDR4900 v1

[LEDE Bugs]

The following task has a new comment added:

FS#261 - iwinfo / txpowerlist / fails on powerpc aka TP-LINK TL-WDR4900 v1
User who did this - Bastian Bittorf (bittorf)

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OP here: today i checked r2143 on a 'TP-LINK TL-WDR4300' and it's the same.
Your WNDR: which wifi-driver? ath9k?
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=261#comment806