SPD_DDR4_LRDIMM_VREFDQ1
{ .sp_off = SPD_DDR4_LRDIMM_VREFDQ1, .sp_key = SPD_KEY_DDR4_VREFDQ_R1,
.sp_len = SPD_DDR4_LRDIMM_VREFDQ_RNG - SPD_DDR4_LRDIMM_VREFDQ1 + 1,