NR freq resource RB and RIV Calculation

Author: Dustin_Chen, email: Dustin_Chen@compal.com or chuhpsdustin@gmail.com

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	ex:
	(N_size_BWP, RB_start, L_RBs)=(273, 0, 16) => calculate RIV= 4095
	(N_size_BWP, RB_start, L_RBs)=(273, 0, 52) => calculate RIV= 13923
	(N_size_BWP, RB_start, L_RBs)=(273, 0, 242) => calculate RIV= 9008
	(N_size_BWP, RB_start, L_RBs)=(273, 0, 261) => calculate RIV= 3821
	(N_size_BWP, RB_start, L_RBs)=(273, 0, 273) => calculate RIV= 545
	(N_size_BWP, RB_start, L_RBs)=(273, 12, 52) => calculate RIV= 13935
	(N_size_BWP, RB_start, L_RBs)=(273, 12, 54) => calculate RIV= 14481
	(N_size_BWP, RB_start, L_RBs)=(273, 12, 188) => calculate RIV= 23738
	(N_size_BWP, RB_start, L_RBs)=(273, 12, 261) => calculate RIV= 3809