Add CONFIG_UDMABUF to libcamera kconfigcheck
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### Read the fine manual, please :)
- [x] I have read https://postmarketos.org/kconfig-adjust-multiple
### What benefit does the change have?
It allows dev working on cameras and with libcamera to have all the bits needed in the kernel without having to find which options are needed
### Which option(s) would you like to change?
`CONFIG_UDMABUF=true`
And revert the kconfigchanges from https://gitlab.com/postmarketOS/pmaports/-/merge_requests/5391/commits
### Did you already test that this works as expected?
Yes, it's been tested in https://gitlab.com/postmarketOS/pmaports/-/merge_requests/5541
### For which kernel configs would you do the change?
- [x] all in main and community
- [ ] certain SoC(s):
- [ ] other (please specify):
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issue