linux-fusion: bump to 9.0.0

Fixes https://bugs.busybox.net/show_bug.cgi?id=5960



Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: broot@monkster.hopto.org
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>