* enable reshape&reshape2 op and add unit test

* enable scale op and add unit test

* fix XShape checking for reshape2 unit test
test=develop

* remove op_desc.hasInput(..) and op_desc.hasOutput(..) to adapt X86 platform
test=develop

* remove target() and precision() from softmax, reshape, reshape2 and scale op
fix CopyDataFrom() of TensorHvy
test=develop

* alloc memory then copy tensor's data during invoking TensorHvy::CopyDataFrom(...)
test=develop

* code clean - refine ARM

cmake enhancement:

- add lite_cc_library and lite_cc_test

code clean:

- remove ARM feed and fetch kernels, reuse the Host's

remove unnecessary comments

and code clean

Reduce one level of inheritence.

* Update tensor_util.h

* Update with moved TensorDesc

* Fix tensur_utils.cu

* Update

* Update

* Update

* Update

* Make tensor_util.cu a symbolic link