Double alignment is 8 bytes on x32 but it is defaulting to 4 currently.
This leads to various issues and fontconfig fails to build due to the
mismatch triggering assert failures.
(From OE-Core rev: f2a0784f368fa8a766aae4242a0c187759b35393)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>