README changes to update the CHKSUM
ocf directory is now in main tarball so no need to untar now.
(From OE-Core rev: 445fba6ef2d1ae10e80d73b09fa0d9a0f2a09715)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Saul Wold