build

nvme: output copy command success message for json format #3047

Job	Run time
cross (s390x)	49s
cross (armhf)	49s
cross (ppc64le)	43s
default (gcc, debug)	30s
default (gcc, release)	38s
default (clang, release)	38s
default (clang, debug)	25s
build libnvme and nvme-cli separately	35s
muon minimal static	28s
make static	1m 24s
fallback shared libraries	-1s
	6m 58s

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