Replace dlog_nosync with lock enabling.

This avoids confusion over which version of dlog needs to be used and
matches the mpool approach.

Change-Id: I8cf2f6204489d0a4cd2bf8ee9bdfc7cc81003e41
diff --git a/inc/hf/dlog.h b/inc/hf/dlog.h
index 18872ae..6b408ee 100644
--- a/inc/hf/dlog.h
+++ b/inc/hf/dlog.h
@@ -19,13 +19,11 @@
 #include <stdarg.h>
 
 #if DEBUG
-void dlog_nosync(const char *fmt, ...);
-void vdlog_nosync(const char *fmt, va_list args);
+void dlog_enable_lock(void);
 void dlog(const char *fmt, ...);
 void vdlog(const char *fmt, va_list args);
 #else
-#define dlog_nosync(...)
-#define vdlog_nosync(fmt, args)
+#define dlog_enable_lock()
 #define dlog(...)
 #define vdlog(fmt, args)
 #endif