modules: update OpenWrt

9b14c7d3d1 netifd: handle hotplug event socket errors
e33612484a brcm63xx: HG655b: fix the imagetag at dts
ef17edae3d kernel: bump 4.14 to 4.14.97
21762fe9d6 kernel: bump 4.9 to 4.9.154
ab41836321 mt76: update to the latest version
026f08a610 kernel: bump 4.14 to 4.14.96
1f1f421af6 kernel: bump 4.9 to 4.9.153

Compile-tested: ar71xx-generic, ramips-mt7621, x86-64