Consolidate all util.hpp

This deletes all lower level util.hpp and cats them
into the top level util.hpp to avoid name conflicts.

Change-Id: Ia11e4a08053a3970b0aadf21d1156ab26def36bd
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/sysfs/sysfsread.hpp b/sysfs/sysfsread.hpp
index 4cd2a78..aa769c4 100644
--- a/sysfs/sysfsread.hpp
+++ b/sysfs/sysfsread.hpp
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "interfaces.hpp"
-#include "sysfs/util.hpp"
+#include "util.hpp"
 
 #include <string>