Adds `qcom-ufs` to the initramfs to be able to boot from UFS. Additionally it changes the boot partition to `fat16`, which seems necessary for some reason for the patched abl-efi to pick up the partition even though this doesn't seem to be required booting from SD. Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/7877>