External battery charger for Librem5

[Quarnero]

Related to JumpDrive procedure:

@amosbatto

$ sudo ./scripts/librem5-flash-image --udev
2021-11-19 21:21:06 INFO Udev rules '/etc/udev/rules.d/70-librem5-flash-image.rules' updated. You can now flash without root permissions.

or

# ./scripts/librem5-flash-image --udev
2022-03-20 15:34:12,246 INFO Udev rules '/etc/udev/rules.d/70-librem5-flash-image.rules' already present

Related to UUU:

@librem5

This gets stuck at
uuu flash_librem5r4.lst
uuu (Universal Update Utility) for nxp imx chips – lib1.4.77

$ uuu -udev

@librem5, please execute as advised within the bottom of output (check if output is the same):

1: put above udev run into /etc/udev/rules.d/70-uuu.rules
	sudo sh -c "uuu -udev >> /etc/udev/rules.d/70-uuu.rules"
2: update udev rule
	sudo udevadm control --reload