0x8020A016 is ERROR_DDI_SD_MMC_UNSUPPORTED_EXT_CSD_REV. It is caused by Errata 4733. Another 233 Errata which related to ROM boot is Errata 2229. These two Errata only exist with TA4, and are fixed in TA5.So 233 TA5 doesn't need patch for them.
