wlan: FTM 2nd time start fail fix

During FTM stop and close, fatal error within WLAN driver happen.
As a result next time WLAN FTM start will fail.
So, user cannot issue 2nd time FTM start command.
FTM stop procedure should be sync manner since close will follow
with same context.
If FTM stop running on async, FTM close will encounter with invalid
WDA state.

Change-Id: I313f67e1bdfebf892bf82041a944aed006f7680f
CRs-fixed: 533006
2 files changed
tree: d4ab1fc74d842142c9faeae8d66c31ade9607190
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig