qcacmn: Add interface manager module

- Add interface manager module files
- Add start_connect event processing
- Add stubs for start_connect_complete and start_bss
event processing API's

Change-Id: I91a2bf38755abef38b6a9348d3eb69983217916c
CRs-Fixed: 2759226

umac/cmn_services/inc/wlan_cmn.h

@@ -279,6 +279,7 @@
  * @WLAN_UMAC_COMP_PKT_CAPTURE:   Packet capture component
  * @WLAN_UMAC_COMP_DCS:           DCS
  * @WLAN_IOT_SIM_COMP:            IOT Simulation component
+ * @WLAN_UMAC_COMP_IF_MGR:        Interface manager component
  * @WLAN_UMAC_COMP_ID_MAX:        Maximum components in UMAC
  *
  * This id is static.
@@ -323,6 +324,7 @@ enum wlan_umac_comp_id {
 	WLAN_UMAC_COMP_PKT_CAPTURE        = 35,
 	WLAN_UMAC_COMP_DCS                = 36,
 	WLAN_IOT_SIM_COMP                 = 37,
+	WLAN_UMAC_COMP_IF_MGR             = 38,
 	WLAN_UMAC_COMP_ID_MAX,
 };