build

nvme: allow char dev filter for show-topology and list-subsys commands #3823

Job	Run time
make static	45s
cross (ppc64le)	47s
build libnvme and nvme-cli separately	41s
cross (s390x)	40s
muon minimal static	39s
nvme-cli (gcc, release)	52s
fallback shared libraries	1m 41s
libnvme (gcc, release)	43s
nvme-cli (gcc, debug)	48s
nvme-cli (clang, release)	57s
libnvme (gcc, debug)	43s
cross (armhf)	45s
libnvme (clang, debug)	44s
libnvme (clang, release)	46s
nvme-cli (clang, debug)	50s
	12m 21s

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