x86: Move cache-as-RAM code into a common location

This cache-as-RAM (CAR) code is common to several Intel chips. Create a new
intel_common directory and move it in there.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/Makefile

@@ -18,6 +18,7 @@ AFLAGS_call32.o := -fpic -fshort-wchar
 
 extra-y += call32.o
 
+obj-y += intel_common/
 obj-$(CONFIG_INTEL_BAYTRAIL) += baytrail/
 obj-$(CONFIG_SYS_COREBOOT) += coreboot/
 obj-$(CONFIG_EFI_APP) += efi/

arch/x86/cpu/intel_common/Makefile

@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2016 Google, Inc
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-$(CONFIG_HAVE_MRC) += car.o

arch/x86/cpu/ivybridge/Makefile

@@ -7,7 +7,6 @@
 ifdef CONFIG_HAVE_FSP
 obj-y += fsp_configs.o ivybridge.o
 else
-obj-y += car.o
 obj-y += cpu.o
 obj-y += early_me.o
 obj-y += gma.o