IFX CAT1: SPI

### Summary

```
./drivers/spi/spi_ifx_cat1.c
```
current support

### Describe the solution you'd like

Following are the action for T2G

- [ ] Add support for T2G dts nodes
- [ ] Test existing driver for SPI controller mode
- [ ] SPI target mode testing
- [ ] Add support for DMA, which will be another task for sure here.

### Alternatives

_No response_

### Additional Context

_No response_