* config/avr/avr.c (avr_mcu_types): Update for new devices.
	* config/avr/avr.h (TARGET_SWITCHES, AVR_MEGA): Add -mshort-calls.
	(LINK_SPEC, CRT_BINUTILS_SPECS): Update for new devices.
	* config/avr/avr.md ("type" and "length" attributes): New type
	"xcall", length 1 or 2 if AVR_MEGA.  Use in all patterns that
	output a single "call" or "rcall" insn depending on device size.
	* config/avr/t-avr (MULTILIB_MATCHES): Update for new devices.

From-SVN: r54410