Updates to openfast_io to match current dev branch API #3705

Job	Run time
build-all-debug-single	2m 47s
build-postlib-release	10m 0s
build-drivers-release	4m 58s
build-all-debug	6m 35s
build-test-uadriver-debug	1m 16s
rtest-module-drivers	4m 39s
rtest-modules-debug	10m 48s
build-openfast-release	4m 10s
build-fastfarm-release	11m 51s
build-interfaces-release	4m 37s
rtest-openfast_io	6m 43s
rtest-OF-5MW_Land_AeroMap	1m 15s
rtest-OF	15m 27s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 23s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	2m 6s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	4m 57s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	2m 20s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 45s
rtest-OF-linearization	4m 38s
rtest-OF-simulink	11m 9s
rtest-interfaces	3m 21s
rtest-FF	2m 23s
	2h 0m 8s

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