* gas/tc-avr.c: Add new devices
	avr25: ata5272, attiny828
	avr35: ata5505, attiny1634
	avr4: atmega8a, ata6285, ata6286, atmega48pa
	avr5: at90pwm161, ata5790, ata5795, atmega164pa, atmega165pa,
	atmega168pa, atmega32a, atmega64rfr2, atmega644rfr2, atmega64a,
	atmega16hva2
	avr51: atmega128a, atmega1284
	avrxmega2: atxmega16a4u, atxmega16c4, atxmega32a4u, atxmega32c4,
	atxmega32e5, atxmega16e5, atxmega8e5
	avrxmega4: atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3,
	atxmega64c3, atxmega64d4
	avrxmega6: atxmega128a3u, atxmega128b3, atxmega128c3,
	atxmega128d4, atxmega192a3u, atxmega192c3, atxmega256a3u,
	atxmega256c3, atxmega384c3, atxmega384d3
	avrxmega7: atxmega128a4u
	* doc/c-avr.texi: Ditto.