build

mi: Add ISH bit (admin command cflags) #3677

Job	Run time
nvme-cli (gcc, debug)	29s
muon minimal static	37s
cross (s390x)	47s
nvme-cli (gcc, release)	29s
libnvme (gcc, debug)	39s
build libnvme and nvme-cli separately	41s
cross (ppc64le)	47s
cross (armhf)	43s
nvme-cli (clang, debug)	25s
nvme-cli (clang, release)	28s
make static	38s
libnvme (gcc, release)	42s
libnvme (clang, release)	43s
libnvme (clang, debug)	40s
fallback shared libraries	0s
	8m 48s

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