mb/intel/cannonlake_rvp: Move FSP param override function to separate file

Move the FSP param initialization function to a separate file,
as being done on the SoC side and remove the empty romstage.c file.

Change-Id: Ibe64bc4ebfdbbb124bcd460dc419da1f469aa7fa
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/28662
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/intel/cannonlake_rvp/Makefile.inc

@@ -22,6 +22,7 @@ bootblock-$(CONFIG_CHROMEOS) += chromeos.c
 verstage-$(CONFIG_CHROMEOS) += chromeos.c
 
 romstage-$(CONFIG_CHROMEOS) += chromeos.c
+romstage-y += romstage_fsp_params.c
 
 ramstage-$(CONFIG_CHROMEOS) += chromeos.c
 ramstage-y += mainboard.c

src/mainboard/intel/cannonlake_rvp/romstage_fsp_params.c

@@ -1,8 +1,7 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2016 Google Inc.
- * Copyright (C) 2017 Intel Corp.
+ * Copyright (C) 2018 Intel Corporation.
  *
  * 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