resize-l5-root-part.lst: use the correct u-boot paths

Signed-off-by: Angus Ainslie <angus@akkea.ca>
3 jobs for evergreen in 3 minutes and 2 seconds
latest
Status Job ID Name Coverage
  Build
passed #366886
librem5
build:deb

00:02:11

 
  Test
failed #366887
librem5
test:download:deb

00:00:28

failed #366888
librem5
test:download:pip

00:00:51

 
Name Stage Failure
failed
test:download:pip Test
Traceback (most recent call last):
File "scripts/librem5-flash-image", line 356, in <module>
sys.exit(main())
File "scripts/librem5-flash-image", line 297, in main
image_ref = find_image(args.image_job, args.board, args.variant, args.dist)
File "scripts/librem5-flash-image", line 202, in find_image
if (json['description'].startswith(variant + ' ' + type) and
AttributeError: 'NoneType' object has no attribute 'startswith'
ERROR: Job failed: exit code 1
failed
test:download:deb Test
Traceback (most recent call last):
File "scripts/librem5-flash-image", line 356, in <module>
sys.exit(main())
File "scripts/librem5-flash-image", line 297, in main
image_ref = find_image(args.image_job, args.board, args.variant, args.dist)
File "scripts/librem5-flash-image", line 202, in find_image
if (json['description'].startswith(variant + ' ' + type) and
AttributeError: 'NoneType' object has no attribute 'startswith'
ERROR: Job failed: exit code 1