board/czechlight/beaglebone/overlay/usr/lib/systemd/system/boot.mount

[Unit]
Description=U-Boot (/boot)
DefaultDependencies=no
Conflicts=umount.target
Before=local-fs.target umount.target

[Mount]
What=/dev/mmcblk1p1
Where=/boot
Type=vfat
Options=noauto,nodev