[WDF] Add Windows Driver Framework files

Takern from Microsoft GitHub repo:
d9c6040fe9

Licensed under MIT

sdk/lib/drivers/wdf/shared/inc/private/common/fxpackage.hpp

@@ -0,0 +1,56 @@
+/*++
+
+Copyright (c) Microsoft. All rights reserved.
+
+Module Name:
+
+    FxPackage.hpp
+
+Abstract:
+
+    This is the definition of the FxPackage object.
+
+Author:
+
+
+
+Environment:
+
+    Both kernel and user mode
+
+Revision History:
+
+--*/
+
+#ifndef _FXPACKAGE_H_
+#define _FXPACKAGE_H_
+
+class FxPackage : public FxNonPagedObject
+{
+public:
+
+    FxPackage(
+        __in PFX_DRIVER_GLOBALS FxDriverGlobals,
+        __in CfxDevice *Device,
+        __in WDFTYPE Type
+        );
+
+    virtual
+    NTSTATUS
+    Dispatch(
+        __in MdIrp Irp
+        ) = 0;
+
+    __inline
+    CfxDevice*
+    GetDevice(
+        VOID
+        )
+    {
+        return m_Device;
+    }
+
+    DECLARE_INTERNAL_NEW_OPERATOR();
+};
+
+#endif // _FXPACKAGE_H_