drivers/intel/fsp2_0: Update the copyrights

Update the copyright dates in the FSP 2.0 files.
Add a copyright to Kconfig.

TEST=Build and run on Galileo Gen2

Change-Id: I0ad0c5650bde0e31d01a04bcc7d22a19273fe29b
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15852
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/drivers/intel/fsp2_0/util.c

@@ -1,7 +1,7 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2015 Intel Corp.
+ * Copyright (C) 2015-2016 Intel Corp.
  * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
  * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
  *