Add support of SPI API for STM32H5 family

[JohnK1987]

Summary of changes

This PR will add support of SPI API for STM32H5 family

Impact of changes

Migration actions required

Documentation

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Pull request type

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

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Test results

I performed just test with SD card read/write.

[] No Tests required for this change (E.g docs only update)
[] Covered by existing mbed-os tests (Greentea or Unittest)
[x] Tests / results supplied as part of this PR

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[multiplemonomials]

With the DMA fix plus the SPI clock change, the test results are:

• spi-basic passes completely
• spi-microsd works for the serial implementation but infinite hangs for interrupt and DMA transfers
• spi-slave-comms passes except for the test cases which use SPI modes 1 and 2

[JohnK1987]

• spi-microsd works for the serial implementation but infinite hangs for interrupt and DMA transfers
• spi-slave-comms passes except for the test cases which use SPI modes 1 and 2

Ok, and is this related just to STM32H5 or complete STM32?

[multiplemonomials]

I'm going to go ahead and merge this for now -- though it still is exhibiting some issues with the DMA SPI stuff, I think that that is more to do with the DMA code and not with this specific platform port specifically.