Switch news68k to ELF:

- Move options EXEC_ELF32 to std.news68k

sys/arch/news68k/conf/std.news68k

@@ -1,6 +1,7 @@
-#	$NetBSD: std.news68k,v 1.2 2000/06/22 20:27:54 fvdl Exp $
+#	$NetBSD: std.news68k,v 1.3 2001/03/19 17:06:11 tsutsui Exp $
 
 machine news68k m68k
 
 options	EXEC_AOUT	# exec a.out binaries
+options	EXEC_ELF32	# exec ELF binaries
 options	EXEC_SCRIPT	# exec #! scripts