corrected crc checksum calculation

Closes HPR-152

applications/rdma_demo/libraries/rdma_icrc_external/src/vhdl/crc_generator.vhd

@@ -68,6 +68,8 @@
 -- 2016-02-16  1.0      will       Created
 -- 2019-10-15  1.1      Will Kamp  Added support for i_stream.keep, generics to
 --                                 control bit reversal and CRC output XOR.
+-- 2024-02-27  1.2      R vd Walle Removed byte swap when G_BIT_REVERSE_OUT = 
+--                      (ASTRON)   true, only perform bit swap, no byte swap.
 -------------------------------------------------------------------------------
 
 library ieee;
@@ -243,7 +245,7 @@ begin     -- architecture rtl
             v_xor_crc := v_rb_crc xor g_XOR_CRC_OUT;
 
             if g_BIT_REVERSE_OUT then
-                o_crc <= byte_swap(bit_swap(v_xor_crc));
+                o_crc <= bit_swap(v_xor_crc);
             else
                 o_crc <= v_xor_crc;
             end if;