wireless-drivers fixes for v5.15

Second set of fixes for v5.15, nothing major this time. Most important
here are reverting a brcmfmac regression and a fix for an old rare
ath5k build error.

iwlwifi

* fixes to NULL dereference, off by one and missing unlock

* add support for Killer AX1650 on Dell XPS 15 (9510) laptop

ath5k

* build fix with LEDS=m

brcmfmac

* revert a regression causing BCM4359/9 devices stop working as access point

mwifiex

* fix clang warning about null pointer arithmetic
-----BEGIN PGP SIGNATURE-----

iQFJBAABCgAzFiEEiBjanGPFTz4PRfLobhckVSbrbZsFAmFWy3oVHGt2YWxvQGNv
ZGVhdXJvcmEub3JnAAoJEG4XJFUm622bBRYIAKBa0NeCkgX8Jnfj492SQj8E9B2o
+fim/W1OcBQqJnfFKaTgEHIYvudnaLuOAiCnTpzvQ5+Dc+dvM3RaPz9c405uzhwj
TaHYs8zoB+//VWTGwmL+ACBYpUCdlVHRzwREv6hCiprd7M57rs1IYkgDgQ8EFCop
prm3z4+Gcr48cNB0CYY39xOEz8K0+pjq82DMK5DnBrfBhO9xjf9PybXqKwjnEcxm
qoRApBjNtDXrQVYHg+AcF8XQ+Vix9H5kSOW+60nGMCtkQszxvu/SQi6hJWALY1U2
0iFNGj/uY92wibQBenqW/nc96vq99HSWPPJeAD52KPXIWZFIUt3V5vJ8aRU=
=hYgS
-----END PGP SIGNATURE-----