qcacmn: TSO fixes

1. Unmap tso common segment only after receiving
   completions for all the tso segments for a given
   skb.
2. Keep a track of num of free tso descriptors available
   in the pool of tso descriptors.

Change-Id: I01bdbb9e40b7259f77dbcfeec22c6d8cd0c0a6dd
CRs-Fixed: 2042950

qdf/inc/qdf_trace.h

@@ -467,6 +467,14 @@ void __printf(3, 4) qdf_snprintf(char *str_buffer, unsigned int size,
 
 #define QDF_SNPRINTF qdf_snprintf
 
+#else
+
+#define DPTRACE(x)
+#define qdf_trace_hex_dump(x, y, z, q)
+
+#endif /* CONFIG_MCL */
+
+
 #ifdef TSOSEG_DEBUG
 static inline
 int qdf_tso_seg_dbg_record(struct qdf_tso_seg_elem_t *tsoseg,
@@ -522,12 +530,6 @@ qdf_tso_seg_dbg_zero(struct qdf_tso_seg_elem_t *tsoseg)
 };
 
 #endif /* TSOSEG_DEBUG */
-#else
-
-#define DPTRACE(x)
-#define qdf_trace_hex_dump(x, y, z, q)
-
-#endif /* CONFIG_MCL */
 
 #define ERROR_CODE                      -1
 #define QDF_MAX_NAME_SIZE               32