There is an updated pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages qt6-base-libatomic
https://github.com/void-linux/void-packages/pull/31200

qt6-base: fix QMAKE_LIBS_LIBATOMIC for armv6 
Required for #31092 

Re-building all packages depends on qt6-base to check, now.

A patch file from https://github.com/void-linux/void-packages/pull/31200.patch is attached