09 DMI PAD

LP5 SPEC中DMI PAD可作为DM/DBI/ECC parity使用相关MR有当多个功能同时开启难以区分实际作用故在此整理DM PAD functionFROM SPECNOTE1当MR13[5]0即data mask disable不允许发送mask write命令2WCK-DQ training采用WFF/RFF命令时DM/DBI/ECC/DC功能均关闭