Signed-off-by: Luca Ellero <lroluk@gmail.com>

This patch introduces support for Cortex A8 based Freescale i.MX51 CPU. This CPU
has the Debug Access Port located at a different address (0x60008000) than TI
OMAP3 series of CPUs.

i.MX51 configuration file based on OMAP3 configuration file and an email from
Alan Carvalho de Assis <acassis@gmail.com>.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>