UPSTREAM: ath10k: add support to get target info from hif ops

wcn3990 does not use bmi.
Add support to get target info from hif ops.

Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Git-commit: 140d1214ef555bcb14c7720e91d8a9594e4ab506
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git


Change-Id: If948d7d1739406ea04c98c40b6bce0112a74c770
Signed-off-by: Dundi Raviteja <dundi@codeaurora.org>