can-utils: needs mmu support

Fixes http://autobuild.buildroot.org/results/2a06aecd58bb465f5e3c2610d34162b48c9ebba4/

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
audiofile: fix license

Somehow this didn't get committed in 1eb9845ad6 (add license information)

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>