meta-*: bump layers/bsp/meta-freescale from f20b496 to 31031c3

Bumps [layers/bsp/meta-freescale](https://github.com/Freescale/meta-freescale) from `f20b496` to `31031c3`.
- [Commits](Freescale/meta-freescale@f20b496...31031c3)

---
updated-dependencies:
- dependency-name: layers/bsp/meta-freescale
  dependency-type: direct:production
...

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Author: dependabot[bot]