Support row interchange in conv_2D_nchw_fchw

[asraa]

This would increase the number of zero diagonals

[github-actions]

This issue has 1 outstanding TODOs:

• lib/Transforms/ConvertToCiphertextSemantics/ConvertToCiphertextSemantics.cpp:1195: Enable this one row interchange is supported.

This comment was autogenerated by todo-backlinks

[mdgrs]

The TODO got deleted but this issue was not closed. Can we close it @asraa ?

[asraa]

Huh, it isn't supported! I don't think that the TODO got deleted, the reference seems like it's still there

[mdgrs]

You are correct indeed. Sorry, I must have been looking at the wrong op