qcacmn: Define IBSS mode

qcacld-2.0 to qcacld-3.0 propagation

Firmware can't support all station feature and 32 ibss clients
in one bin because of the mem limitation. So host supports to
download IBSS firmware bin if con_mode=6.

CRs-Fixed: 962246
Change-Id: I6c3dca17c82fdfd2bdadcee319cc157e6aa2ead9

qdf/inc/qdf_types.h

@@ -314,6 +314,7 @@ enum tQDF_ADAPTER_MODE {
  * @QDF_GLOBAL_MISSION_MODE: mission mode (STA, SAP...)
  * @QDF_GLOBAL_MONITOR_MODE: Monitor Mode
  * @QDF_GLOBAL_FTM_MODE: FTM mode
+ * @QDF_GLOBAL_IBSS_MODE: IBSS mode
  * @QDF_GLOBAL_EPPING_MODE: EPPING mode
  * @QDF_GLOBAL_QVIT_MODE: QVIT global mode
  * @QDF_GLOBAL_MAX_MODE: Max place holder
@@ -322,6 +323,7 @@ enum tQDF_GLOBAL_CON_MODE {
 	QDF_GLOBAL_MISSION_MODE,
 	QDF_GLOBAL_MONITOR_MODE = 4,
 	QDF_GLOBAL_FTM_MODE = 5,
+	QDF_GLOBAL_IBSS_MODE = 6,
 	QDF_GLOBAL_EPPING_MODE = 8,
 	QDF_GLOBAL_QVIT_MODE = 9,
 	QDF_GLOBAL_MAX_MODE