Typedef idma_busy_t

typedef struct packed {
        logic buffer_busy;
        logic r_dp_busy;
        logic w_dp_busy;
        logic r_leg_busy;
        logic w_leg_busy;
        logic eh_fsm_busy;
        logic eh_cnt_busy;
        logic raw_coupler_busy;
    } idma_busy_t;

iDMA busy type: contains the busy fields of the various sub units