src/superio: Remove unused intel's superio chips

Change-Id: Ie693ff700a804778682daf0cb3990a56ab747a93
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37506
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/superio/intel/Makefile.inc b/src/superio/intel/Makefile.inc
deleted file mode 100644
index f46408a..0000000
--- a/src/superio/intel/Makefile.inc
+++ /dev/null
@@ -1,17 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2009 Ronald G. Minnich
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
-##
-
-subdirs-y += i3100
-subdirs-y += i8900