build

mi: Add ISH bit (admin command cflags) #3704

Job	Run time
make static	39s
muon minimal static	41s
fallback shared libraries	1m 35s
cross (armhf)	49s
cross (s390x)	47s
cross (ppc64le)	49s
nvme-cli (clang, release)	54s
nvme-cli (gcc, release)	52s
build libnvme and nvme-cli separately	39s
nvme-cli (clang, debug)	44s
nvme-cli (gcc, debug)	43s
libnvme (clang, debug)	44s
libnvme (clang, release)	43s
libnvme (gcc, release)	41s
libnvme (gcc, debug)	39s
	11m 59s

Provide feedback