[PR] board/weact-stm32h743 Add sdcard support [nuttx]

[via GitHub]

JorgeGzm opened a new pull request, #16681:
URL: https://github.com/apache/nuttx/pull/16681

   ## Summary
   
   This commit adds SD card support to the WeAct STM32H743 board configuration. 
The implementation enables the board to interface with SD cards through the 
SDMMC peripheral, allowing file system operations and data storage 
capabilities. 
   
   ## Impact
   
   Enables SD card storage functionality on WeAct STM32H743 boards
   
   ## Testing
   
   build example:
   
   ```bash
   $  ./tools/configure.sh weact-stm32h743:sdcard
   $ make -j
   ```
   
   Mount and test sdcard example
   ```
     nsh> mount -t vfat /dev/mmcsd0 /mnt
     nsh> echo "Hello World!!" > /mnt/test_file.txt
     nhs> ls /mnt/
      test_file.txt
     nsh> cat /mnt/test_file.txt
       Hello World!!
   ```
       
   
   


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