ppc4xx: ML507: U-Boot in flash and System ACE This patch allows booting from FLASH the ML507 board by Xilinx. Previously, U-Boot needed to be loaded from JTAG or a Sytem ACE CF Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es> Signed-off-by: Stefan Roese <sr@denx.de>