add files forgotten in previous commit

server/drivers/hd44780-uss720.h

@@ -0,0 +1,10 @@
+#ifndef HD_USS720_H
+#define HD_USS720_H
+
+#include "lcd.h"		/* for Driver */
+#include "hd44780-low.h"
+
+
+// initialise this particular driver
+int hd_init_uss720(Driver *drvthis);
+#endif