Update ppc-dis.c from binutils 2.17

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6582 c046a42c-6fe2-441c-8c8c-71466251a162

Author: blueswir1

dis-asm.h

@@ -142,6 +142,7 @@ enum bfd_architecture
 #define bfd_mach_ppc64         1
 #define bfd_mach_ppc_403       403
 #define bfd_mach_ppc_403gc     4030
+#define bfd_mach_ppc_e500      500
 #define bfd_mach_ppc_505       505
 #define bfd_mach_ppc_601       601
 #define bfd_mach_ppc_602       602