Update C++ gpu_mod wrapper to compute 'toarray' of transpose and adjoint of a Faust.

src/faust_linear_operator/CPU/faust_TransformHelper.h

src/faust_linear_operator/CPU/faust_TransformHelper.hpp

src/faust_linear_operator/CPU/faust_gpu_mod.h

src/faust_linear_operator/CPU/faust_gpu_mod_gen.hpp.in