firmware: add handler for static layout

Add static layout handler.

Change-Id: I5c4cfe9782d59d32b16556e1d82b468c119eeb76
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/static_handler.hpp b/static_handler.hpp
new file mode 100644
index 0000000..d1cca08
--- /dev/null
+++ b/static_handler.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include "image_handler.hpp"
+
+#include <memory>
+#include <string>
+
+namespace blobs
+{
+
+class StaticLayoutHandler : public ImageHandlerInterface
+{
+  public:
+    /**
+     * Create a StaticLayoutHandler.
+     */
+    StaticLayoutHandler() = default;
+
+    bool open(const std::string& path) override;
+
+  private:
+    std::string path;
+};
+
+} // namespace blobs