cpio: upgrade to 2.14

Specifically this includes the commit "Fix appending to archives bigger
than 2G".

Drop all submitted patches.

Apply a patch from git to fix the build with clang.

[ YOCTO #11674 ]

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>