yann@imperium:~/dev/snappy/1604/packages/paros_gadget$ find .
.
./tegra210-paros-hw00.dtb
./meta
./meta/snap.yaml
./paros_1.0_all.snap
./empty.txt
yann@imperium:~/dev/snappy/1604/packages/paros_gadget$ cat ./meta/snap.yaml
name: paros
version: 1.0
summary: Paros support package
description: Support files for booting Paros
type: gadget

branding:
  name: Paros drone

gadget:
  hardware:
    platform: tegra210-paros-hw00
    architecture: armhf
    partition-layout: minimal
    bootloader: u-boot
    boot-assets:
      files:
        - path: empty.txt