qcacmn: Update candidate list before try next

Some IOT APs only allow to connect if last 3 bytes of
BSSID and self MAC is same. They create a new bssid on
receiving unicast probe/auth req from STA and allow STA to
connect to this matching BSSID only. So boost the matching BSSID
to try to connect to this BSSID.
And add logic to refresh the candidate list before next
candidate try when the last candidate connect fail.

Change-Id: I482e122c8c9febbab42f64013fbb78c266f49655
CRs-Fixed: 3432618

qdf/inc/qdf_util.h

@@ -127,6 +127,17 @@ typedef __qdf_wait_queue_head_t qdf_wait_queue_head_t;
 	 (_a)[4] == 0xff &&        \
 	 (_a)[5] == 0xff)
 
+/**
+ * QDF_IS_LAST_3_BYTES_OF_MAC_SAME - check the last 3 bytes
+ * same or not for two mac addresses
+ * @mac1: mac address 1
+ * @mac2: mac address 2
+ */
+#define QDF_IS_LAST_3_BYTES_OF_MAC_SAME(mac1, mac2) \
+	((mac1)->bytes[3] == (mac2)->bytes[3] && \
+	 (mac1)->bytes[4] == (mac2)->bytes[4] && \
+	 (mac1)->bytes[5] == (mac2)->bytes[5])
+
 /* Get number of bits from the index bit */
 #define QDF_GET_BITS(_val, _index, _num_bits) \
 		(((_val) >> (_index)) & ((1 << (_num_bits)) - 1))