New comment by mithodin on void-packages repository

https://github.com/void-linux/void-packages/issues/40703#issuecomment-1327173650

Comment:
@classabbyamp that's it. It's fixed :-D Thank you!
For anyone else looking for a solution: Add a file named mmc.conf (could be or any other name you like) in /etc/dracut.conf.d/ with these contents:
```
add_drivers+=" mmc_core mmc_block "
```