Add EM_INTEL205 to EM_INTEL209

	* common.h (EM_INTEL205): New.
	(EM_INTEL206): Likewise.
	(EM_INTEL207): Likewise.
	(EM_INTEL208): Likewise.
	(EM_INTEL209): Likewise.
	* libc/include/sys/cdefs.h (_Static_assert): Accommodate gcc >= 4.6.