qcacld-3.0: Add driver command to request ANI level

The ANI level determines how well the device is coping with interference
in the wireless environment. Add support in the driver to query the ANI
level from the firmware and populate it for userspace entities to use.

Change-Id: I54934f670aa11737e11eca4d64e12f9dffb4f430
CRs-Fixed: 2554674
13 files changed