Had to fix the <variable> tag by replacing it with <filename>.
Previous commit didn't work so this is fixing it.
(From OE-Core rev: 263e572055b09ad2f432f1feda797813ef254e74)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>