Updates to openfast_io to match current dev branch API #3335

Job	Run time
build-all-debug	7m 33s
build-drivers-release	5m 26s
build-postlib-release	12m 11s
build-all-debug-single	3m 34s
build-test-uadriver-debug	2m 10s
rtest-module-drivers	4m 20s
rtest-modules-debug	10m 56s
build-interfaces-release	4m 49s
build-openfast-release	4m 56s
build-fastfarm-release	13m 3s
rtest-interfaces	3m 36s
rtest-OF-5MW_Land_AeroMap	1m 53s
rtest-OF	15m 24s
rtest-openfast_io	6m 19s
rtest-OF-simulink	12m 8s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 39s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	1m 53s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	5m 3s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	3m 4s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 52s
rtest-OF-linearization	4m 34s
rtest-FF	2m 37s
	2h 10m 0s

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