Wifi-Hal: Return the length of O/P buffer for GETANTENNAMODE DRIVER CMD

Add support to return the length of output buffer for get antenna
mode driver command. If the returned value is 0 then control
interface will overwrite the output buffer with OK

Change-Id: Ie7c59cc9fb92dd481acd172759ee7acddc42d323
CRs-Fixed: 962520
1 file changed
tree: de28354dfc652ddd8410c0be72c168175ba497f7
  1. qcwcn/
  2. wcnss-service/