x86: Move CONFIG_SYS_CAR_xxx to Kconfig

Move CONFIG_SYS_CAR_ADDR and CONFIG_SYS_CAR_SIZE to Kconfig so that
we don't need them in the board configuration file thus the same
board configuratoin file can be used to build both coreboot version
and bare version.

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

board/coreboot/coreboot/Kconfig

@@ -25,4 +25,16 @@ config DEFAULT_DEVICE_TREE
 	  This option selects the board Device Tree Source (dts) file in
 	  arch/x86/dts/ directory to be used to build U-Boot for coreboot.
 
+config SYS_CAR_ADDR
+	hex "Board specific Cache-As-RAM (CAR) address"
+	default 0x19200000
+	help
+	  This option specifies the board specific Cache-As-RAM (CAR) address.
+
+config SYS_CAR_SIZE
+	hex "Board specific Cache-As-RAM (CAR) size"
+	default 0x4000
+	help
+	  This option specifies the board specific Cache-As-RAM (CAR) size.
+
 endif

board/google/chromebook_link/Kconfig

@@ -30,4 +30,12 @@ config EARLY_POST_CROS_EC
 	bool "Enable early post to Chrome OS EC"
 	default y
 
+config SYS_CAR_ADDR
+	hex
+	default 0xff7e0000
+
+config SYS_CAR_SIZE
+	hex
+	default 0x20000
+
 endif

include/configs/chromebook_link.h

@@ -15,9 +15,9 @@
 
 #include <configs/x86-common.h>
 
-#define CONFIG_SYS_CAR_ADDR			0xff7e0000
-#define CONFIG_SYS_CAR_SIZE			(128 * 1024)
+
 #define CONFIG_SYS_MONITOR_LEN			(1 << 20)
+
 #define CONFIG_DCACHE_RAM_MRC_VAR_SIZE		0x4000
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_DISPLAY_CPUINFO