Yocto Jethro: how to identify a machine that builds a kernel in 64 bits whereas user space is in 32 bits

For reference, I looked at the default conf files inside poky / meta.

It seems that qemuarm is being created for 32bit i.e. both kernel and 32bit user space

http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/conf/machine/qemuarm.conf?h=jethro

And here it looks like for qbuarm64 for 64-bit build, i.e. both kernel and user space 64 bit

http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/conf/machine/qemuarm64.conf?h=jethro

I need an example conf file for a hand, so the user space is 32 bits, but the kernel is built on 64 bits.