The H3 boards don't have framebuffer support: https://wiki.freebsd.org/FreeBSD/arm/Allwinner
I'm using the GENERICSD with an Orange Pi One that does the same. You should be able to login via ssh with freebsd as user/password or connect to the serial console with an USB to TTL adapter.
The table hasn't been updated recently but above it you can see that the Nano Pi K1 Plus boots.
Ask about H5 support at the mailing list for arm https://lists.freebsd.org/mailman/listinfo/freebsd-arm
Strange about the scfb is written that only need vt. VT in GENERIC is. Should work .. where did I go wrong?The table hasn't been updated recently but above it you can see that the Nano Pi K1 Plus boots.
Ask about H5 support at the mailing list for arm https://lists.freebsd.org/mailman/listinfo/freebsd-arm