This is needed for ksh/bash style process substitution such as
<(command) and >(command) which was introduced in ash as of busybox
version 1.34.0 to work.
Signed-off-by: Erik Karlsson <erik.karlsson@genexis.eu>
(cherry picked from commit fdce970dbb47a6f91b08bdac21a098e77926549f)