arm64: defconfig: build ath12k as a module

arm64: defconfig: build ath12k as a module

Qualcomm sm8550-qrd and sm8650-qrd boards have ath12k modules as part of
their on-board WCN7850 WLAN/BT packages. Enable the relevant driver in
defconfig.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240325085756.13843-1-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>