qcacmn: Add per CPU interrupt statistics

Add per CPU per copy engine interrupt statistics.

Change-Id: I1619f0db3314ae3d915284459f2b191f31fc2190
CRs-Fixed: 1017437

qdf/inc/qdf_util.h

@@ -35,6 +35,12 @@
 
 #include <i_qdf_util.h>
 
+#ifdef QCA_CONFIG_SMP
+#define QDF_MAX_AVAILABLE_CPU	8
+#else
+#define QDF_MAX_AVAILABLE_CPU	1
+#endif
+
 /**
  * qdf_unlikely - Compiler-dependent macro denoting code likely to execute
  * @_expr: expression to be checked
@@ -409,4 +415,10 @@ static inline int qdf_get_pwr2(int value)
 	return 1 << log2;
 }
 
+static inline
+int qdf_get_cpu(void)
+{
+	return __qdf_get_cpu();
+}
+
 #endif /*_QDF_UTIL_H*/