build

nvme: Remove duplicated variables #3669

Job	Run time
muon minimal static	38s
build libnvme and nvme-cli separately	42s
cross (ppc64le)	55s
cross (s390x)	55s
make static	41s
libnvme (clang, debug)	39s
nvme-cli (gcc, debug)	48s
nvme-cli (clang, release)	53s
libnvme (gcc, debug)	44s
nvme-cli (gcc, release)	58s
libnvme (gcc, release)	48s
nvme-cli (clang, debug)	51s
cross (armhf)	52s
libnvme (clang, release)	48s
fallback shared libraries	0s
	11m 12s

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