ubus: update to the latest version, adds lua binding fixes and adds support for the cli command wait_for (waits for objects to appear, with timeout)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40710 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: reset ht_capab for each device

... or else "option htmode" is added multiple times to
the second and following device sections.

Signed-off-by: Reiner Herrmann <reiner@reiner-h.de>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40711 3c298f89-4303-0410-b956-a3cf2f4a3e73