[rx] fix multi-byte nop disassembly

[DJ Delorie]

The decoder knows about the multi-byte NOPs gas uses for alignment,
but didn't change the syntax accordingly.  Fixed and committed.

	* rx-decode.opc (rx_decode_opcode): Set the syntax for multi-byte NOPs.
	* rx-decode.c: Regenerate.

Index: rx-decode.opc
===================================================================
RCS file: /cvs/src/src/opcodes/rx-decode.opc,v
retrieving revision 1.5
diff -p -U3 -r1.5 rx-decode.opc
--- rx-decode.opc	29 Jul 2010 18:41:27 -0000	1.5
+++ rx-decode.opc	21 Apr 2011 05:34:04 -0000
@@ -274,6 +274,7 @@ rx_decode_opcode (unsigned long pc AU,
   if (ss == 3 && sz == 2 && rsrc == 0 && rdst == 0)
     {
       ID(nop2);
+      rx->syntax = "nop";
     }
   else
     {
@@ -536,6 +537,7 @@ rx_decode_opcode (unsigned long pc AU,
   if (ss == 3 && rsrc == 0 && rdst == 0)
     {
       ID(nop3);
+      rx->syntax = "nop";
     }
   else
     {