ARM: mxc91231: use .init_early to initialize cpu type

This used to be done in .map_io which is supposed to only setup the memory
mapping.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mxc91231/magx-zn5.c

@@ -55,6 +55,7 @@ struct sys_timer zn5_timer = {
 MACHINE_START(MAGX_ZN5, "Motorola Zn5")
 	.boot_params = MXC91231_PHYS_OFFSET + 0x100,
 	.map_io = mxc91231_map_io,
+	.init_early = mxc91231_init_early,
 	.init_irq = mxc91231_init_irq,
 	.timer = &zn5_timer,
 	.init_machine = zn5_init,

arch/arm/mach-mxc91231/mm.c

@@ -45,11 +45,14 @@ static struct map_desc mxc91231_io_desc[] __initdata = {
  */
 void __init mxc91231_map_io(void)
 {
-	mxc_set_cpu_type(MXC_CPU_MXC91231);
-
 	iotable_init(mxc91231_io_desc, ARRAY_SIZE(mxc91231_io_desc));
 }
 
+void __init mxc91231_init_early(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MXC91231);
+}
+
 int mxc91231_register_gpios(void);
 
 void __init mxc91231_init_irq(void)

arch/arm/plat-mxc/include/mach/common.h

@@ -33,6 +33,7 @@ extern void imx35_init_early(void);
 extern void imx50_init_early(void);
 extern void imx51_init_early(void);
 extern void imx53_init_early(void);
+extern void mxc91231_init_early(void);
 extern void mxc_init_irq(void __iomem *);
 extern void tzic_init_irq(void __iomem *);
 extern void mx1_init_irq(void);