qcacld-3.0: Process assoc indication in sme callback

In a noisy enviornment assoc indication in SME queueu
is not getting processed due to multiple beacons/probes
getting processed in PE queue which is high priority
than SME queue.

Instead of posting a message to SME queue, assoc indication
will run to completion using sme callback mechanism.

Change-Id: I4dc7e3ef0c91964ebc842afa38b7815464e0e406
CRs-Fixed: 2114425

core/mac/inc/ani_global.h

@@ -837,6 +837,8 @@ typedef struct sAniSirLim {
 	QDF_STATUS(*add_bssdescr_callback)
 		(tpAniSirGlobal pMac, tpSirBssDescription buf,
 		uint32_t scan_id, uint32_t flags);
+	QDF_STATUS(*sme_msg_callback)
+		(tHalHandle hal, struct scheduler_msg *msg);
 	uint8_t retry_packet_cnt;
 	uint8_t scan_disabled;
 	uint8_t beacon_probe_rsp_cnt_per_scan;

core/mac/inc/sir_api.h

@@ -470,6 +470,7 @@ typedef struct sSirSmeReadyReq {
 	void *add_bssdescr_cb;
 	void *csr_roam_synch_cb;
 	void *pe_roam_synch_cb;
+	void *sme_msg_cb;
 } tSirSmeReadyReq, *tpSirSmeReadyReq;
 
 /**