[sim] new port: Renesas RL78

[DJ Delorie]

Done!  Patch as per previous email, NEWS diff attached.  Thanks!

Index: gdb/NEWS
===================================================================
RCS file: /cvs/src/src/gdb/NEWS,v
retrieving revision 1.469
diff -p -U5 -r1.469 NEWS
--- gdb/NEWS    20 Nov 2011 23:59:47 -0000      1.469
+++ gdb/NEWS    29 Nov 2011 03:29:03 -0000
@@ -231,10 +231,14 @@ qTMinFTPILen
 
 * New targets
 
 Texas Instruments TMS320C6x            tic6x-*-*
 
+* New Simulators
+
+Renesas RL78                           rl78-*-elf
+
 *** Changes in GDB 7.3.1
 
 * The build failure for NetBSD and OpenBSD targets have now been fixed.
 
 *** Changes in GDB 7.3