qcacmn: Add umac implementation of getting peer rssi

Add changes to support get peer rssi from within cp_stats
component.

Change-Id: I68c9c7e23dd14b515a71080b1b5fe3af15651ef9
CRs-Fixed: 2222777

qdf/inc/qdf_util.h

@@ -105,6 +105,18 @@ typedef __qdf_wait_queue_head_t qdf_wait_queue_head_t;
  */
 #define QDF_MIN(_x, _y) (((_x) < (_y)) ? (_x) : (_y))
 
+/**
+ * QDF_IS_ADDR_BROADCAST - is mac address broadcast mac address
+ * @_a: pointer to mac address
+ */
+#define QDF_IS_ADDR_BROADCAST(_a)  \
+	((_a)[0] == 0xff &&        \
+	 (_a)[1] == 0xff &&        \
+	 (_a)[2] == 0xff &&        \
+	 (_a)[3] == 0xff &&        \
+	 (_a)[4] == 0xff &&        \
+	 (_a)[5] == 0xff)
+
 /**
  * qdf_status_to_os_return - returns the status to OS.
  * @status: enum QDF_STATUS