pine64-pinephone: device-pine64-pinephone-vccq-mod package causes bootloop

Describe your issue

What's the expected behaviour?

An image built with pmbootstrap install --filesystem=f2fs boots

What's the current behaviour?

An image built with pmbootstrap install --filesystem=f2fs does not boot.

The phone gets stuck at the PostmarketOS splash screen with the error "Unable to mount root partition!"

How to reproduce your issue?

• Run pmbootstrap init to build an image for the PinePhone
• Run pmbootstrap install --filesystem=f2fs to prepare the image
• Run pmbootstrap export to access the pine64-pinephone.img image
• Copy pine64-pinephone.img to a working microSD installation
• Write the image to eMMC with dd if=pine64-pinephone.img of=/dev/mmcblk2 bs=4M
• Power off the pinephone and remove the microSD to boot from eMMC
• Power on the PinePhone, it will not boot

What device are you using?

pine64-pinephone pmOS edition 3GB with eMMC Vccq mod

On what postmarketOS version did you encounter the issue?

• edge (master branch)
• v21.12

On what environment did you encounter the issue?

Phone environments

• Phosh
• Plasma Mobile
• Sxmo (Wayland/Sway)

Other

• No environment
• GNOME
• KDE Plasma
• Kodi
• MATE
• Shelli
• Sway
• Weston
• Xfce4
• fbkeyboard
• i3wm
• Sxmo (Xorg/Dwm)

How did you get postmarketOS image?

• from https://images.postmarketos.org
• I built it using pmbootstrap
• It was preinstalled on my device

What's the build date of the image? (in yyyy-mm-dd format)

2022-02-06 <-- Produces a broken F2FS image

An image built on 2022-01-27 worked fine with F2FS

Additional information

Image built with device-pine64-pinephone-vccq-mod as additional package during pmbootstrap init.
This package seems to be the cause of the bootloop.

UART boot log: f2fs_unable-to-mount-root.txt