build

Add IBM specific plugins code #3284

Job	Run time
cross (armhf)	1m 7s
cross (ppc64le)	44s
default (gcc, debug)	42s
make static	1m 6s
default (gcc, release)	57s
cross (s390x)	51s
muon minimal static	36s
default (clang, debug)	47s
default (clang, release)	50s
build libnvme and nvme-cli separately	42s
fallback shared libraries	0s
	8m 22s

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