Add TI HDC302X driver

[StijnCoussement]

Add a driver for the TI HDC302X temperature and humidity sensor.
datasheet can be found on
https://cdn-learn.adafruit.com/assets/assets/000/131/097/original/hdc3021-q1.pdf?1720448563

[github-actions]

Hello @StijnCoussement, and thank you very much for your first pull request to the Zephyr project!
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[pdgendt]

• Format new .c/.h files using clang-format
• Squash your commits, no fixup/merge commits
• Add an entry in tests/drivers/build_all/sensor/i2c.dtsi (separate commit)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud