hle: add BluetoothHid, DeviceService and Usbd stubs (#1031)

src/libs/libUsbd.cpp

@@ -0,0 +1,44 @@
+#include "common/abi.h"
+#include "common/threads.h"
+#include "libs/errno.h"
+#include "libs/libs.h"
+#include "loader/symbolDatabase.h"
+
+namespace Libs {
+
+LIB_VERSION("Usbd", 1, "Usbd", 1, 1);
+
+namespace Usbd {
+
+constexpr uint32_t POLL_INTERVAL_MS = 16;
+
+static int KYTY_SYSV_ABI UsbdInit() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+static int KYTY_SYSV_ABI UsbdExit() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+static int KYTY_SYSV_ABI UsbdHandleEventsTimeout() {
+	PRINT_NAME();
+
+	// Avoid a busy loop while USB events are unimplemented.
+	Common::Thread::SleepMicro(POLL_INTERVAL_MS * 1000);
+
+	return OK;
+}
+
+} // namespace Usbd
+
+LIB_DEFINE(InitUsbd_1) {
+	LIB_FUNC("TOhg7P6kTH4", Usbd::UsbdInit);
+	LIB_FUNC("Fq6+0Fm55xU", Usbd::UsbdExit);
+	LIB_FUNC("+wU6CGuZcWk", Usbd::UsbdHandleEventsTimeout);
+}
+
+} // namespace Libs