Fix build errors with bitbake

8b97665 has build fails with a pldm bitbake recipe. The fix was mostly
about using top_srcdir instead of top_builddir.

Change-Id: Ic3ef0e01997921174d28ae10e66e7bdd17c52af8
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/oem/ibm/libpldmresponder/file_io.hpp b/oem/ibm/libpldmresponder/file_io.hpp
index 2e08745..6025fd7 100644
--- a/oem/ibm/libpldmresponder/file_io.hpp
+++ b/oem/ibm/libpldmresponder/file_io.hpp
@@ -7,7 +7,7 @@
 #include <vector>
 
 #include "libpldm/base.h"
-#include "libpldm/file_io.h"
+#include "oem/ibm/libpldm/file_io.h"
 
 namespace pldm
 {