ARM: imx: Add core definitions for MX53

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: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index 01dff26..2822d0e 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -63,3 +63,20 @@
 	tzic_init_irq(tzic_virt);
 	imx51_register_gpios();
 }
+
+int imx53_register_gpios(void);
+
+void __init mx53_init_irq(void)
+{
+	unsigned long tzic_addr;
+	void __iomem *tzic_virt;
+
+	tzic_addr = MX53_TZIC_BASE_ADDR;
+
+	tzic_virt = ioremap(tzic_addr, SZ_16K);
+	if (!tzic_virt)
+		panic("unable to map TZIC interrupt controller\n");
+
+	tzic_init_irq(tzic_virt);
+	imx53_register_gpios();
+}