[Bug target/65185] New: avr-gcc mcus.def missing rfr2 devices

[mmminor at sbcglobal dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65185

            Bug ID: 65185
           Summary: avr-gcc mcus.def missing rfr2 devices
           Product: gcc
           Version: 4.9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mmminor at sbcglobal dot net

Created attachment 34851
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34851&action=edit
Add missing avr devices.

Patches for atmega256rfr2
(https://gcc.gnu.org/ml/gcc-patches/2013-03/msg00788.html) were never
committed. Need patches to gcc/config/avr/avr-mcus.def as attached.