ath10k: add chip and bus halt logic in ahb

Add function to perform chip halt sequence and function to halt axi
bus in ahb module. Mainly used in the scenario like driver unload.

Signed-off-by: Raja Mani <rmani@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2 files changed