The ioutil helper functions copyfile and copydir were last and only used
in ecosboard.c which has been removed with commit 39650e22.
Removing the dead code.
Change-Id: I36c7c4c5009d755b4513a14a9f9e214d1ee500e8
Signed-off-by: Alexander Kurz <akurz@blala.de>
Reviewed-on: http://openocd.zylin.com/3240
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>