Libspinscale: Initial top-level SMO port to coroutine framework

We haven't ported everything. Just the top-level methods. We'll
dig in to the leaf stuff later. Surprisingly, this all went without
any real difficulties.

Runs like a charm on first try.

stimBuffApis/livoxGen1/ioUringAssemblyEngine.h

@@ -16,9 +16,9 @@
 #include <boost/asio/deadline_timer.hpp>
 #include <boost/asio/posix/stream_descriptor.hpp>
 #include <livoxProto1/device.h>
-#include <spinscale/asynchronousContinuation.h>
+#include <spinscale/cps/asynchronousContinuation.h>
 #include <spinscale/asynchronousLoop.h>
-#include <spinscale/callback.h>
+#include <spinscale/cps/callback.h>
 #include <spinscale/spinLock.h>
 #include <user/frameAssemblyDesc.h>
 #include <user/stagingBuffer.h>
@@ -42,7 +42,7 @@ public:
 	void finalize();
 
 	typedef std::function<void(bool, sscl::AsynchronousLoop)> assembleFrameReqCbFn;
-	void assembleFrameReq(sscl::Callback<assembleFrameReqCbFn> cb);
+	void assembleFrameReq(sscl::cps::Callback<assembleFrameReqCbFn> cb);
 
 	// Telemetry helpers
 	static size_t computePointsPerFrame(int returnMode, size_t nDgramsPerFrame)