* config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
	atmega8m1 devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

From-SVN: r145208