Add backport patch that fixes ath12k regdomain parsing failure in
6GHz band triggered by the latest regdb/board-2.bin update.
Signed-off-by: Mantas Pucka <mantas@8devices.com>
Link: https://github.com/openwrt/openwrt/pull/18512
Signed-off-by: Robert Marko <robimarko@gmail.com>