The package coreutils-stty is not part of the OpenWrt main packages. A board can not depend on it. Remove the dependency to fix a build problem seen in the build bots. Fixes:8fb805aa1f("mvebu: Add support for WD Cloud Mirror Gen2") (cherry picked from commit717f62d256) Link: https://github.com/openwrt/openwrt/pull/17589 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>