src.conf.5: rebuild after WITH_NVME changes

WITH_NVME is no longer marked broken on armv7, riscv64, or powerpc.

Fixes: 2fda3ab0ac19 WITH_NVME: Remove from broken.
Differential Revision: https://reviews.freebsd.org/D44850

(cherry picked from commit e5700dab1e7ad84b9a97025d263f0acd3599a1c2)