ath-common: update common Atheros/QCA code

This version is based on
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-testing.git
711dca0ca3d77414f8f346e564e9c8640147f40d (wt-2023-05-11)
and was committed to FreeBSD main as
eb50aa680f5864c5ae0f0137819bbe61b42a550e.