[FS#234] LEDE x84_64 doesn't have kmod-ath9k but x86_generic have

[LEDE Bugs]

The following task has a new comment added:

FS#234 - LEDE x84_64 doesn't have kmod-ath9k but x86_generic have
User who did this - Felix Fietkau (nbd)

----------
Build error fixed, the package is included in current builds.
----------

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=234#comment673