Fixes:
http://autobuild.buildroot.org/results/3e2/3e26462743269001510ac8a072cd61c86f2a63b3/
Similar to jquery-keyboard, it seems the sunxi-mali tarball on the
autobuilder is corrupt. Fix it by adding a .hash file so it falls back to
our s.b.o mirror.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Peter Korsgaard