[FS#768] no simultaneous AP+IBSS on TP-LINK TL-WR841N/ND v7 with r3900

[LEDE Bugs]

The following task is now closed:

FS#768 - no simultaneous AP+IBSS on TP-LINK TL-WR841N/ND v7 with r3900
User who did this - Mathias Kresin (mkresin)

Reason for closing: Fixed
Additional comments about closing: According to reporting: works/fixed with r4099

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=768