tf-ve-2.5.0 update1

• Fix conv2d
• Add ApplyKerasMomentum

tf-ve-2.5.0

Based on upstream v2.5.0.

github_release_20210201

Merge pull request '[ve] Update veorun_tf' (#314) from feature/r2.3-v…

github_release_20201116

Update 'README_ve.md'

github-release-20200820

v2.3

github-release-20200410

[VE] Update README_ve.md

github_release_20200214

[VE] Update veorun_tf

github_release_20200124

[VE] Update veorun_tf

github_release_20200120: Merge branch 'feature/20200117-bugfix-constant-ops' into develop

Former-commit-id: ca15b74a9b72853449401a2a59aa98998872d2f2

github_release_20191218

Merge branch 'feature/veorun_tf' into develop