* config.gcc (ia64*-*-aix*, ia64*-*-elf*, ia64*-*-freebsd*,
	ia64*-*-linux*): Set extra_parts.
	* config/ia64/t-aix (EXTRA_PARTS): Remove.
	* config/ia64/t-ia64 (EXTRA_PARTS): Remove.

From-SVN: r57119