x86: Define CONFIG_SYS_VSNPRINTF for coreboot

This option protects the printf() functions from overflow.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h
index cfe5db3..a010adc 100644 (file)
--- a/include/configs/coreboot.h
+++ b/include/configs/coreboot.h
@@ -38,6 +38,7 @@
 #undef CONFIG_SHOW_BOOT_PROGRESS
 #define CONFIG_LAST_STAGE_INIT
 #define CONFIG_X86_NO_RESET_VECTOR
+#define CONFIG_SYS_VSNPRINTF
 
 /*-----------------------------------------------------------------------
  * Watchdog Configuration