Add version number in RDL

* Also remove the ID field

hdl/top_combpm_electron.vhd

@@ -198,7 +198,6 @@ begin
         );
 
 
-        addrmap_w.ID.data.data               <= C_ID;
         addrmap_w.VERSION.data.data          <= C_VERSION;
         addrmap_w.SFP.RXLOS.data(0)          <= sfp_rx_los;
         addrmap_w.SFP.MODABS.data(0)         <= sfp_mod_abs;

rdl/combpm.rdl

@@ -7,6 +7,12 @@ addrmap combpm {
 
     name="BPM protocol decoder controller";
 
+    reg {
+        field {
+            hw=w;sw=r;
+        } data[32];
+    } VERSION;
+
     reg {
         name="SFP status and control";