A couple of boards use chips which perform noticably better
when optimized for the 476. Add a trivial tune file to let
them run better.
(From OE-Core rev: 9ac6da9d0e0b9f7678752ff7b9c91e39c140b4e7)
Signed-off-by: Peter Seebach <peter.seebach@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
