Add back low-level debug hack

Add back low-level debug hack
Signed-off-by: Tony Lindgren <tony@atomide.com>

kernel/printk.c

@@ -44,6 +44,10 @@ void __attribute__((weak)) early_printk(const char *fmt, ...)
 
 #define __LOG_BUF_LEN	(1 << CONFIG_LOG_BUF_SHIFT)
 
+#ifdef CONFIG_DEBUG_LL
+extern void printascii(char *);
+#endif
+
 /* printk's without a loglevel use this.. */
 #define DEFAULT_MESSAGE_LOGLEVEL 4 /* KERN_WARNING */
 
@@ -715,6 +719,10 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 	printed_len += vscnprintf(printk_buf + printed_len,
 				  sizeof(printk_buf) - printed_len, fmt, args);
 
+#ifdef	CONFIG_DEBUG_LL
+	printascii(printk_buf);
+#endif
+
 	/*
 	 * Copy the output into log_buf.  If the caller didn't provide
 	 * appropriate log level tags, we insert them here