update nncase v1 to 8c384a

[zhen8838]

Fixes #288

Make sure all boxes are checked (add x inside the brackets) when you submit your contribution, remove this sentence before doing so.

• [x] I have thoroughly tested my contribution.
• [x] The code I submitted has no copyright issues.

\<Description of and rational behind this PR>

1. install nncase 1.0 runtime lib into sdk
2. fix the cmake findpackage bug