utils/e2fsprogs: Update to 1.43.4

* Update to 1.43.4
* Use xz tarball which saves about 2Mbyte in size

Changelog: http://e2fsprogs.sourceforge.net/e2fsprogs-release.html#1.43.4



Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [use @KERNEL instead of hardcoded URL]