Latest snapshot with new MT76 mt76-2021-10-11-5560b08f: @nbd
LD [M] /home/openwrt/build_dir/target-mipsel_24kc_musl/linux-ramips_mt7621/mt76-2021-10-11-5560b08f/mt7915/mt7915e.o
Building modules, stage 2.
MODPOST 4 modules
ERROR: "__umoddi3" [/home/openwrt/build_dir/target-mipsel_24kc_musl/linux-ramips_mt7621/mt76-2021-10-11-5560b08f/mt7915/mt7915e.ko] undefined!
make[5]: *** [scripts/Makefile.modpost:94: __modpost] Error 1
make[4]: *** [Makefile:1647: modules] Error 2