Fix incremental build with WITH_NVME newly enabled

rescue.mk doesn't get updated when options change so nvme_util.o is now
missing on architectures were NVME was previously marked BROKEN.

Reviewed by: imp
Fixes: 2fda3ab0ac19 WITH_NVME: Remove from broken.
Differential Revision: https://reviews.freebsd.org/D44826

(cherry picked from commit 26a09db3add30238b99e3214c56a3aee63fd71d1)