x86 BIST: Fix missing include

Change-Id: I3d1a456f17073c99c9502da26e09cfde65380746
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17586
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/include/cpu/x86/bist.h

@@ -1,6 +1,8 @@
 #ifndef CPU_X86_BIST_H
 #define CPU_X86_BIST_H
 
+#include <console/console.h>
+
 static inline void report_bist_failure(u32 bist)
 {
 	if (bist != 0) {