wlan: Fix Uninitialized memory issue

Propagation from qcacld-2.0 to prima.

There is a possibility to read uninitialized memory within api
__wlan_hdd_cfg80211_testmode.
To resolve this issue, initilaize buffer hb_params with zero.

Change-Id: Ia8061610a8c35aa7290177c0dcd2c5c36d9fcb35
CRs-Fixed: 2075967
1 file changed