[VTA][Relay] Extending Vision model coverage compilation for VTA (#3740)

[VTA][Relay] Extending Vision model coverage compilation for VTA (#3740)

* adding support for graphpack over multiply op

* increasing resnet model coverage

* fix indentation

* lint

* moving recursion limit fix into graphpack pass

* moving recursionlimit to relay init

* pooling on NCHWnc format

* adding more models

* deploy_resnet_on_vta.py

* trailing line

* generalizing to vision models

* merge conflicts

* fix, apply quantization to VTA only

* improving comments

* trimming models that have runtime issues for the moment

* lint

* lint

* lint