ltq-*-app: correctly report downstream band borders
The direction needs to be included in the IOCTL call.
Fixes: b91d7d9d78ea ("ltq-*-app: extend ubus metrics/statistics")
Signed-off-by: Jan Hoffmann <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/19363
(cherry picked from commit b002cdd6a3b9a469aad91b488c21a0604c01f941)
Link: https://github.com/openwrt/openwrt/pull/19556
Signed-off-by: Hauke Mehrtens <[email protected]>