ath9k: add a fix for tx pending frame accounting, fixes some tx hang issues

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of r41673

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@41802 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: fix a null pointer deref when querying station info when rate control is not initialized (#17061)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of r41801

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@41803 3c298f89-4303-0410-b956-a3cf2f4a3e73
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mcs814x: backport r37745

This is a critical fix for a correct system behavior, just backport it to AA. 

It was already fixed in trunk revisions:
https://dev.openwrt.org/changeset/37745

It should be also fixed in 12.09. Several stuff is broken without this fix.
Regards.

Signed-off-by: Daniel Gonzalez <dgcbueu@gmail.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>


git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@42171 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Merge remote-tracking branch 'upstream/master'
Adding ImageBuilder to the build process. Closes #20
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Added alljoyn feeds and packages
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Merge remote-tracking branch 'upstream/master'

Conflicts:
	.config