build

nvme: return earlier when we have bdev-ns for smart-log command #3078

Job	Run time
muon minimal static	31s
cross (armhf)	50s
cross (s390x)	44s
default (clang, debug)	29s
cross (ppc64le)	47s
default (clang, release)	34s
default (gcc, release)	35s
default (gcc, debug)	27s
build libnvme and nvme-cli separately	37s
make static	42s
fallback shared libraries	-1s
	6m 15s

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