Fix bad SPD handling
Fix bad SPD handling

If the memory is not DDR3/DDR4, cease further attempt to format
data.

xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,whowutwut/confluent,whowutwut/confluent,whowutwut/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent