ppc4xx: Add AMCC/IBM DDR2 SDRAM ECC Field Mnemonics

Add additional DDR2 SDRAM memory controller DCR mneomnics, condition
revision ID DCR based on 405EX, and add field mnemonics for bus error
status and ECC error status registers.

Signed-off-by: Grant Erickson <gerickson@nuovations.com>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed