koordlet: supply rdma devices #8557

Job	Run time
golangci-lint	4m 31s
unit-tests(Check Go modules)	57s
unit-tests(Check manifests)	56s
unit-tests(Check auto-generated codes)	2m 57s
unit-tests(Verify gofmt)	41s
unit-tests(Verify govet)	2m 5s
unit-tests(Run Go build)	2m 1s
unit-tests(Run Go test)	6m 31s
build-and-push (koordlet)	3m 48s
build-and-push (koord-manager)	2m 46s
build-and-push (koord-scheduler)	3m 33s
build-and-push (koord-descheduler)	3m 11s
	33m 57s

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