main/boot-deploy: upgrade to 0.7.0

New features:

• use depthchargectl instead of mkdepthcharge on Chrome OS devices (that change also allows to use dtb selection of depthcharge bootloader);
• allow users to specify custom cmdline in /etc/boot/cmdline.txt;
• use UUIDs from /etc/fstab and /etc/crypttab in cmdline (not used yet);
• generate grub.cfg and extlinux.conf;

This MR also adjusts aarch64 chromebooks to the new changes and makes use of generating configs on pinephone pro and pinebook pro as a proof of concept

Tested devices:

• aarch64 chromebook;
• pine64-pinephonepro;
• pine64-pinebookpro;
• android device (test for regressions).