Commit 36d94ed631f1a753482282fced7d3b7505d5e03d ("serf: fix 'ccache'
builds") removed the source md5sum accidentally while resolving a
merge conflict.
Readd it.
(From OE-Core rev: 8d0e56a850579f9a6d501266deeef9b257ce4780)
Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Cc: Kang Kai <Kai.Kang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>