* config/avr/avr-protos.h (function_arg): Delete.

	* config/avr/avr-protos.h (function_arg): Delete.
	(function_arg_advance): Delete.
	* config/avr/avr.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
	* config/avr/avr.c (function_arg): Rename to...
	(avr_function_arg): ...this.  Make static.  Take a const_tree and
	a bool.
	(function_arg_advance):	Rename to...
	(avr_function_arg_advance): ...this.  Make static.  Take a
	const_tree and a bool.
	(TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165226 138bc75d-0d04-0410-961f-82ee72b054a4