kernel: add missing config symbols for 3.10

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

git-svn-id: svn://svn.openwrt.org/openwrt@37602 3c298f89-4303-0410-b956-a3cf2f4a3e73
rt2x00: merge fix for queue stopping

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

git-svn-id: svn://svn.openwrt.org/openwrt@37603 3c298f89-4303-0410-b956-a3cf2f4a3e73
libubox: update to latest version, adds extra sanity checks to blob/blobmsg iterator macros

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

git-svn-id: svn://svn.openwrt.org/openwrt@37604 3c298f89-4303-0410-b956-a3cf2f4a3e73
libubox: update to latest version

Backport of r37604

git-svn-id: svn://svn.openwrt.org/openwrt@37605 3c298f89-4303-0410-b956-a3cf2f4a3e73