added a reverse word option to dp_block_from_mm and used it in

statistics_offload

Closes L2SDP-400

applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd

@@ -270,9 +270,10 @@ BEGIN
   
   u_dp_block_from_mm : ENTITY dp_lib.dp_block_from_mm_dc
   GENERIC MAP (
-    g_data_size => c_data_size,
-    g_step_size => c_step_size,
-    g_nof_data  => c_nof_data
+    g_data_size          => c_data_size,
+    g_step_size          => c_step_size,
+    g_nof_data           => c_nof_data,
+    g_reverse_word_order => TRUE -- default word order is MSB after LSB, we need to stream LSB after MSB.
   ) 
   PORT MAP(
     dp_rst        => dp_rst,