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/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index a42c720..4c17515 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -33,6 +33,7 @@
 #define MXC_CPU_MX31		31
 #define MXC_CPU_MX35		35
 #define MXC_CPU_MX51		51
+#define MXC_CPU_MX53		53
 #define MXC_CPU_MXC91231	91231
 
 #ifndef __ASSEMBLY__
@@ -119,6 +120,7 @@
 #  define mxc_cpu_type MXC_CPU_MX51
 # endif
 # define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
+# define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
 #else
 # define cpu_is_mx51()		(0)
 #endif