Added initial NVML stub.

src/backend/cuda/CudaConfig.h

@@ -50,6 +50,11 @@ public:
     inline int32_t bfactor() const                      { return m_bfactor; }
     inline int32_t bsleep() const                       { return m_bsleep; }
 
+#   ifdef XMRIG_FEATURE_NVML
+    inline bool isNvmlEnabled() const                   { return m_nvml; }
+    inline const String &nvmlLoader() const             { return m_nvmlLoader; }
+#   endif
+
 private:
     void generate();
     void setDevicesHint(const char *devicesHint);
@@ -67,6 +72,11 @@ private:
     int32_t m_bfactor      = 0;
     int32_t m_bsleep       = 0;
 #   endif
+
+#   ifdef XMRIG_FEATURE_NVML
+    bool m_nvml            = true;
+    String m_nvmlLoader;
+#   endif
 };