Merge patch series "Enable UNIT_TEST for all qemu* generic targets"

Jerome Forissier <jerome.forissier@linaro.org> says:

Enable CONFIG_UNIT_TEST in most of the configs/qemu*_defconfig files
to increase test coverage in CI, and fix what needs to be fixed.

Link: https://lore.kernel.org/r/20250416135744.1995084-1-jerome.forissier@linaro.org