qcacld-3.0: Add vendor cmd to support antenna diversity

qcacld-2.0 to qcacld-3.0 propagation

Add qca_wlan_vendor_config attr to config antenna diversity.
Add vendor subcmd QCA_NL80211_VENDOR_SUBCMD_GET_CHAIN_RSSI
to get chain rssi value.

Change-Id: I75c4c8016b15772b0c52be91e446f69580475496
CRs-fixed: 1071075
9 files changed
tree: 969132763def6700e746fc219dcbd111dfeff209
  1. components/
  2. core/
  3. uapi/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile
  8. README.txt