fix: Stop frame when soft reset, fix OK flag

* Remove check on dummy and reserved field on the frame. Frame is OK
  only of SOP EOP and CRC OK
* When soft reset is set, TVALID stays at zero. Not more packet output
  on AXIS

hdl/combpm_protocol_electron.vhd

@@ -163,7 +163,7 @@ begin
                            '0';
 
     -- Any and all flag
-    flag_all            <= flag_sop and flag_eop and flag_dummy and flag_rsvd and flag_crc;
+    flag_all            <= flag_sop and flag_eop and flag_crc;
     flag_frame          <= flag_sop and flag_eop;
 
     ----------------------------
@@ -293,7 +293,7 @@ begin
                 packet.fa_seq       <= packet_timestamp(7 downto 0);
 
                 -- AXIS TVALID
-                m_axi_tvalid                <= '1';
+                m_axi_tvalid            <= not soft_reset;
             else
                 m_axi_tvalid            <= '0';
             end if;