Remove duplicated code by merging memsetup.S files for at91rm9200 boards into one cpu/at91rm9200/lowlevel.S
- Enable booting directly from flash - fix CMC_PU2 flash driver * Fix mkimage usage message
- add support for CMC PU2 board - add support for I2C on at91rm9200 * Patch by Gary Jennejohn, 28 Sep 2004: fix baudrate handling on at91rm9200