lpc: add missing headers

Add missing headers to the lpc files.

Change-Id: I9228e26463f8316f27f3c5e0cc59eed2ed71597b
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/lpc_nuvoton.hpp b/lpc_nuvoton.hpp
index 91b7062..a4b62df 100644
--- a/lpc_nuvoton.hpp
+++ b/lpc_nuvoton.hpp
@@ -3,7 +3,9 @@
 #include "internal/sys.hpp"
 #include "window_hw_interface.hpp"
 
+#include <cstdint>
 #include <memory>
+#include <utility>
 #include <vector>
 
 namespace blobs