wlan: Add support to fetch currently used antenna using ioctl

Add provision to fetch currently used antenna index with
an ioctl.

Change-Id: If46ca874138da690cc4a74bd980ac1e693f3686a
CRs-Fixed: 951762
12 files changed
tree: 1e0a7dc2debddb12897f5848c3b8d5e40884d77a
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile