EmulatorPkg: auto-generate SEC ProcessLibraryConstructorList() decl
    
    Rely on AutoGen for declaring ProcessLibraryConstructorList().
    
    Build-tested with:
    
      build -a X64 -b DEBUG -m EmulatorPkg/Sec/Sec.inf \
        -p EmulatorPkg/EmulatorPkg.dsc -t GCC5
    
    Cc: Andrew Fish <afish@apple.com>
    Cc: Ray Ni <ray.ni@intel.com>
    Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=990
    Signed-off-by: Laszlo Ersek <lersek@redhat.com>
    Message-Id: <20240305113843.68812-8-lersek@redhat.com>
    Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
    Acked-by: Gerd Hoffmann <kraxel@redhat.com>