build

libnvme: add accessor code generation #3540

Job	Run time
make static	37s
muon minimal static	1m 14s
cross (s390x)	55s
nvme-cli (gcc, debug)	49s
cross (armhf)	54s
cross (ppc64le)	55s
nvme-cli (gcc, release)	51s
nvme-cli (clang, release)	52s
nvme-cli (clang, debug)	46s
libnvme (gcc, release)	42s
libnvme (clang, debug)	40s
libnvme (gcc, debug)	43s
libnvme (clang, release)	51s
build libnvme and nvme-cli separately	36s
fallback shared libraries	-1s
	11m 24s

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