lpc3250loader: add .hash file
Fixes:
http://autobuild.buildroot.org/results/a60/a601f30d7100821ad0e303c6338348751d7aa99b/
http://autobuild.buildroot.org/results/56f/56f4e5f864da7e2176c78426d1d180c37966b181/
Similar to jquery-keyboard, it seems the lpc3250loader 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