[U-Boot] [PATCH v8 0/2] Add support for the digsy MTC board.

Version 8: - use eeprom_read() instead of i2c_read() Version 7: - rebased to the 'next' branch to use new function to manipulate ethaddr - use setbits_be32 and clrbits_be32 - ide changes move to separate patch Version 6: - adjusted kernel console variable to use PSC4 (to reflect recent DTS changes) Version 5: - removed unnecessary braces - changed out32/in32 to out_be32/in_be32 Version 4: - rebased to Ben's FEC changes Version 3: - updated (c) Version 2: - use I/O accessor functions instead of volatile pointer - set ethernet address only if not set in environment - add some comments and some style cleanup