modules: update openwrt

94efa1c612 fritz-tools: fix returning wrong values due to strncmp usage
d9be07169e mbedtls: update to 2.16.11
f407b2f43c mvebu: armada-37xx: add patch to forbid cpufreq for 1.2 GHz
b254bd697d Revert "mvebu: 5.4 fix DVFS caused random boot crashes"
4003eeab35 dnsmasq: reset EXTRA_MOUNT in the right place
6ca34c5c0c dnsmasq: fix more dnsmasq jail issues
b88ab44036 dnsmasq: rework jail mounts
8ef5894197 dnsmasq: use local option for local domain parameter
da5fd91073 dnsmasq: add ignore hosts dir to dnsmasq init script
9531e70708 OpenWrt v21.02.0-rc4: revert to branch defaults
134ac824c5 OpenWrt v21.02.0-rc4: adjust config defaults
2d5ee43dc6 kernel: bump 5.4 to 5.4.137