git: 15532c2764c1..d6c6e04e692f - vendor/Linux/ath11k - vendor branch updated

[Bjoern A. Zeeb]

The branch vendor/Linux/ath11k has been updated by bz:

URL: https://cgit.FreeBSD.org/src/log/?id=15532c2764c1..d6c6e04e692f

d6c6e04e692f ath11k: update Atheros/QCA's ath11k driver