1. Add entries to Kconfig
2. Add machine definition
3. Add Uart platform data, pad setting and base address
4. Adjust GPIO irq number
Signed-off-by: NYong Shen <yong.shen@linaro.org>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Add iomux, clocks,  and memory map for Freescale's MX53 SoC.
Add cpu_is_mx53 function to common.h.
Add 3 more banks of gpio's to mxc_gpio_ports.
Add MX53 phys offset address.
Signed-off-by: NDinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>