UPSTREAM: intel post-car: Split legacy sockets

Move old sockets to use romstage_legacy.c, these are ones
using intel/car/cache_as_ram.inc.

These will not be converted to RELOCATABLE_RAMSTAGE as boards
are candidates for getting dropped from the tree anyways.

BUG=None
BRANCH=None
TEST=None

Signed-off-by: Kysti Mlkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17280
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: I2616b4edee53446f1875711291e9dfed2911e2fb
Reviewed-on: https://chromium-review.googlesource.com/408983
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/cpu/intel/car/romstage_legacy.c

@@ -0,0 +1,20 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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.
+ */
+
+#include <cpu/intel/romstage.h>
+
+void * asmlinkage romstage_main(unsigned long bist)
+{
+	mainboard_romstage_entry(bist);
+	return (void*)CONFIG_RAMTOP;
+}

src/cpu/intel/slot_1/Makefile.inc

@@ -29,4 +29,4 @@ subdirs-y += ../../x86/smm
 subdirs-y += ../microcode
 
 cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram.inc
-romstage-y += ../car/romstage.c
+romstage-y += ../car/romstage_legacy.c

src/cpu/intel/socket_FC_PGA370/Makefile.inc

@@ -23,4 +23,4 @@ subdirs-y += ../../x86/smm
 subdirs-y += ../microcode
 
 cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram.inc
-romstage-y += ../car/romstage.c
+romstage-y += ../car/romstage_legacy.c

src/cpu/intel/socket_PGA370/Makefile.inc

@@ -23,4 +23,4 @@ subdirs-y += ../../x86/smm
 subdirs-y += ../microcode
 
 cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram.inc
-romstage-y += ../car/romstage.c
+romstage-y += ../car/romstage_legacy.c

src/cpu/intel/socket_mFCBGA479/Makefile.inc

@@ -7,4 +7,4 @@ subdirs-y += ../../x86/smm
 subdirs-y += ../microcode
 
 cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram.inc
-romstage-y += ../car/romstage.c
+romstage-y += ../car/romstage_legacy.c

src/cpu/intel/socket_mPGA479M/Makefile.inc

@@ -10,4 +10,4 @@ subdirs-y += ../microcode
 subdirs-y += ../hyperthreading
 
 cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram.inc
-romstage-y += ../car/romstage.c
+romstage-y += ../car/romstage_legacy.c