What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind task

What does this PR do / why do we need it:
replace DepthWiseConv with nn.Conv2D

Which issue(s) this PR fixes:

Fixes #I2C2TO:统一MindIR：参照云测重新定义IR和InferShape、InferType

Special notes for your reviewers: