Patches elfutils to use the fallthrough attribute instead of comments to
satisfy the -Wimplicit-fallthrough warning. Using comments is
insufficient when compiling remotely with Icecream because the file gets
pre-processed locally, removing the comments
(From OE-Core rev: cd44cee91b5b17ddf617950d84513d481ab34f58)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
