added testbios for V2

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1624 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/vgabios/int15.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include "test.h"
+
+void x86emu_dump_xregs();
+
+int int15_handler(void)
+{
+	printf("\nint15 encountered.\n");
+	x86emu_dump_xregs();
+	X86_EAX = 0;
+	return 1;
+}