Remove backported NIOS2 patch.
README.QUICK checksum updated; the license part of the file is unchaged.
(From OE-Core rev: ee16cc4ad552502212055af46b3e97a312a13e69)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>