x86_64: split MCValue.tlv_reloc into .load_tlv and .lea_tlv
`.load_tlv` signifies we want to load the value of a TLV
`.lea_tlv` signifies we want to load effective address of a TLV
179117c114Jakub Konka committed on 4/14/2023, 10:57:23 PMparent0733c8c