lib/coreboot_table: use the architecture dependent table size

Utilize the architecture dependent coreboot table size value
from <arch/cbconfig.h>

Change-Id: I80d51a5caf7c455b0b47c380e1d79cf522502a4c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14455
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)

src/Kconfig

@@ -658,15 +658,6 @@ config ACPI_NHLT
 	help
 	  Build support for NHLT (non HD Audio) ACPI table generation.
 
-
-config COREBOOT_TABLE_SIZE
-	hex
-	default 0x8000 if ARCH_X86
-	default 0x2000 if !ARCH_X86
-	help
-	  The amount of memory to reserve for the coreboot tables in
-	  cbmem.
-
 #These Options are here to avoid "undefined" warnings.
 #The actual selection and help texts are in the following menu.
 

src/arch/arm/include/arch/cbconfig.h

@@ -23,4 +23,6 @@
  * to have the same name across all architectures.
  */
 
+#define COREBOOT_TABLE_SIZE 0x2000
+
 #endif

src/arch/arm64/include/arch/cbconfig.h

@@ -23,4 +23,6 @@
  * to have the same name across all architectures.
  */
 
+#define COREBOOT_TABLE_SIZE 0x2000
+
 #endif

src/arch/mips/include/arch/cbconfig.h

@@ -23,4 +23,6 @@
  * to have the same name across all architectures.
  */
 
+#define COREBOOT_TABLE_SIZE 0x2000
+
 #endif

src/arch/power8/include/arch/cbconfig.h

@@ -23,4 +23,6 @@
  * to have the same name across all architectures.
  */
 
+#define COREBOOT_TABLE_SIZE 0x2000
+
 #endif

src/arch/riscv/include/arch/cbconfig.h

@@ -23,4 +23,6 @@
  * to have the same name across all architectures.
  */
 
+#define COREBOOT_TABLE_SIZE 0x2000
+
 #endif

src/arch/x86/include/arch/cbconfig.h

@@ -23,4 +23,6 @@
  * to have the same name across all architectures.
  */
 
+#define COREBOOT_TABLE_SIZE 0x8000
+
 #endif

src/lib/coreboot_table.c

@@ -15,6 +15,7 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/cbconfig.h>
 #include <console/console.h>
 #include <console/uart.h>
 #include <ip_checksum.h>
@@ -560,7 +561,7 @@ void write_tables(void)
 	uintptr_t cbtable_start;
 	uintptr_t cbtable_end;
 	size_t cbtable_size;
-	const size_t max_table_size = CONFIG_COREBOOT_TABLE_SIZE;
+	const size_t max_table_size = COREBOOT_TABLE_SIZE;
 
 	cbtable_start = (uintptr_t)cbmem_add(CBMEM_ID_CBTABLE, max_table_size);