firmaware.mount

sh-3.2# cat /lib/systemd/system/firmware.mount
[Unit]
Description=Droid mount for /firmware
Before=local-fs.target systemd-modules-load.service

[Mount]
What=/dev/block/mmcblk0p1
Where=/firmware
Type=ext4
Options=ro,nosuid,nodev,barrier=0
# Options had SELinux context option:  context=u:object_r:firmware_file:s0

# Default is 90 which makes mount period too long in case of
# errors so drop it down a notch.
TimeoutSec=10

[Install]
WantedBy=local-fs.target

# From ./out/target/product/surnia/root/fstab.qcom :
# /dev/block/mmcblk0p1        /firmware    ext4    ro,nosuid,nodev,barrier=0,context=u:object_r:firmware_file:s0                  wait,check
sh-3.2#