Earlier iterations of the multilib patch used "TUNENAME", which was later
renamed to DEFAULTTUNE. This file was missed in the rename.
(From OE-Core rev: fdd39925df8268ad41c1ff643a0761b03fad8e08)
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>