[FS#1401] kmod-ath9k doesn't match kernel; cannot install

[LEDE Bugs]

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

User who did this - Alex Hewson (alexmbird) 

Attached to Project - OpenWrt/LEDE Project
Summary - kmod-ath9k doesn't match kernel; cannot install
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - The version of kmod-ath9k available through opkg isn't compatible with the present kernel.  I'm not sure if this issue is specific to ramips/mt7621 or all of OpenWRT, but it'll stop me using my cute USB wifi adapter.

root at gw:~# cat /etc/openwrt_release
DISTRIB_ID='OpenWrt'
DISTRIB_RELEASE='SNAPSHOT'
DISTRIB_REVISION='r6305-8f24653'
DISTRIB_TARGET='ramips/mt7621'
DISTRIB_ARCH='mipsel_24kc'
DISTRIB_DESCRIPTION='OpenWrt SNAPSHOT r6305-8f24653'
DISTRIB_TAINTS=''

root at gw:~# opkg info kmod-ath9k
Package: kmod-ath9k
Version: 4.9.82+2017-11-01-4
Depends: kernel (= 4.9.82-1-45f0911785241c9bd2fe32250a47856f), kmod-ath9k-common

root at gw:~# opkg install kmod-ath9k
Installing kmod-ath9k (4.9.82+2017-11-01-4) to root...
Downloading http://downloads.lede-project.org/snapshots/targets/ramips/mt7621/packages/kmod-ath9k_4.9.82%2b2017-11-01-4_mipsel_24kc.ipk
Collected errors:
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for kmod-ath9k:
 * 	kernel (= 4.9.82-1-45f0911785241c9bd2fe32250a47856f) * 	kernel (= 4.9.82-1-45f0911785241c9bd2fe32250a47856f) * 	kernel (= 4.9.82-1-45f0911785241c9bd2fe32250a47856f) *
 * opkg_install_cmd: Cannot install package kmod-ath9k.


More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1401