vendorcode/eltan/security: Move eltan security from chipset to security menu

The eltan security items ended up in the chipset menu which is not
desired. Now the eltan security option (when enabled in mainboard) shows
up in the security menu.

BUG=N/A
TEST=build

Change-Id: I3b2aa3836e8d9a3242c6d1f3ba7b7821a5cfb9d3
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36851
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>

src/Kconfig

@@ -461,6 +461,7 @@ endmenu
 menu "Security"
 
 source "src/security/Kconfig"
+source "src/vendorcode/eltan/security/Kconfig"
 
 endmenu
 

src/vendorcode/eltan/Kconfig

@@ -1,21 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2019 Eltan B.V.
-##
-## 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.
-##
-
-config USE_VENDORCODE_ELTAN
-	bool
-
-if USE_VENDORCODE_ELTAN
-source src/vendorcode/eltan/security/Kconfig
-endif

src/vendorcode/eltan/security/Kconfig

@@ -12,7 +12,16 @@
 ## GNU General Public License for more details.
 ##
 
+config USE_VENDORCODE_ELTAN
+	bool
+
+if USE_VENDORCODE_ELTAN
+
 menu "Eltan Security Settings"
+
 source src/vendorcode/eltan/security/mboot/Kconfig
 source src/vendorcode/eltan/security/verified_boot/Kconfig
+
 endmenu
+
+endif