* devtools/gen-avr-lib-tree.sh: Add ATmega64RFR2, ATmega644RFR2,
ATmega128RFR2, ATmega1284RFR2, ATmega256RFR2, ATmega2564RFR2
* configure.ac: (Dito.)
* doc/api/main_page.dox: Document new device support.
* doc/api/using-tools.dox: (Dito.)
* include/avr/io.h: Add hooks for ATmega*RFR2 devices.
* include/avr/Makefile.am (avr_HEADERS): Add new header files.
* include/avr/sleep.h: Add sleep modes for ATmega*RFR2 devices.
* include/avr/wdt.h: Add watchdog support for ATmega*RFR2 devices.
* include/avr/power.h: Add power management definitions for
ATmega*RFR2 devices.
* include/avr/eeprom.h: Add EEPROM definitions for ATmega*RFR2
devices.
* include/avr/iom64rfr2.h: (New file.)
* include/avr/iom644rfr2.h: (New file.)
* include/avr/iom128rfr2.h: (New file.)
* include/avr/iom1284rfr2.h: (New file.)
* include/avr/iom256rfr2.h: (New file.)
* include/avr/iom2564rfr2.h: (New file.)



git-svn-id: http://svn.savannah.nongnu.org/svn/avr-libc/trunk@2308 1084037a-409f-4a99-8160-1a4b3577d4c1