ath11k: update Atheros/QCA's ath11k driver
This version is based on
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-testing.git
2a220a15be657a24868368892e3e2caba2115283 (wt-2023-08-06)
and was committed to FreeBSD main as
28348caeee6ee98251b0aaa026e8d52b5032e92c.