Imported more library files

Not compiling currently

autogen/sl_iostream_handles.h

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+#ifndef SL_IOSTREAM_HANDLES_H
+#define SL_IOSTREAM_HANDLES_H
+#include "sl_iostream.h"
+#include "sl_iostream_rtt.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern const sl_iostream_instance_info_t *sl_iostream_instances_info[];
+extern const uint32_t sl_iostream_instances_count;
+
+extern sl_iostream_t *sl_iostream_recommended_console_stream;
+
+sl_iostream_t *sl_iostream_get_handle(char *name);
+
+void sl_iostream_set_console_instance(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SL_IOSTREAM_HANDLES_H