Add SPI Half Duplex Read HIL test

[Dominaezzz]

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Submission Checklist 📝

• I have updated existing examples or added new ones (if applicable).
• I have used cargo xtask fmt-packages command to ensure that all changed code is formatted correctly.
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Pull Request Details 📖

Description

Adds a simple HIL test for SPI Half Duplex reads.
It just sets the miso pin high/low and read several bytes to show the spi driver can see the correct value.
The test is rather simple but it's better than no test at all 😄. (I thought of more thorough tests but they'd only work on a subset of the devices supported by the HAL)

I've also written a half duplex write test but it depends on #1765, so I'll open it once it lands.

I skipped the changelog since this is a HIL test

Testing

I ran the HIL test on the real device and the assertion succeed.

[JurajSadel]

LGTM, thanks!

[jessebraham]

Thanks!