[rx] fix [Ri,Rb] decoding

[DJ Delorie]

Committed.

	* rx-dis.c (print_insn_rx): Support RX_Operand_TwoReg.

Index: rx-dis.c
===================================================================
RCS file: /cvs/src/src/opcodes/rx-dis.c,v
retrieving revision 1.2
diff -p -U3 -r1.2  rx-dis.c
--- rx-dis.c	5 Nov 2009 00:38:44 -0000	1.2
+++ rx-dis.c	12 Jan 2011 07:04:32 -0000
@@ -167,6 +167,7 @@ print_insn_rx (bfd_vma addr, disassemble
 		      PR (PS, "%d", oper->addend);
 		    break;
 		  case RX_Operand_Register:
+		  case RX_Operand_TwoReg:
 		    PR (PS, "%s", register_names[oper->reg]);
 		    break;
 		  case RX_Operand_Indirect: