Rename the patches directory to files as we only have one version of fontconfig,
so the hassle of moving these files every upgrade can be avoided.
(From OE-Core rev: 67a279f517fc43e418482cc104458875264141f6)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>