crossgcc: update to expat 2.1.0

Change-Id: Id0b736d402b33138e27b18c74e5ed8ffab0bcccb
Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Signed-off-by: Peter Stuge <peter@stuge.se>
Reviewed-on: http://review.coreboot.org/1620
Tested-by: build bot (Jenkins)
1 file changed