build

nvme: make --opcode argument mandatory #2973

Job	Run time
default (gcc, debug)	24s
default (gcc, release)	32s
cross (armhf)	41s
cross (s390x)	40s
make static	1m 30s
muon minimal static	28s
default (clang, release)	31s
build libnvme and nvme-cli separately	34s
cross (ppc64le)	44s
default (clang, debug)	25s
fallback shared libraries	0s
	6m 29s

Provide feedback