valgrind: update to 3.12.0
Remove backported gcc5-port.patch
Remove 11_mips-link-tool.patch as there is nothing in the target file
(or the entire source tree) that resembles anything contained in the patch.
(From OE-Core rev:
221093e850fbc3c154e9069f1958384b59ba3f70)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
