omap: Start using CONFIG_SOC_OMAP

We want to have just CONFIG_ARCH_OMAP2, 3 and 4. The rest
are nowadays just subcategories of these.

Search and replace the following:

ARCH_OMAP2420		SOC_OMAP2420
ARCH_OMAP2430		SOC_OMAP2430
ARCH_OMAP3430		SOC_OMAP3430

No functional changes.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Thomas Weber <weber@corscience.de>
Acked-by: Sourav Poddar <sourav.poddar@ti.com>
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index c203204..11decd8 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -66,7 +66,7 @@
 	},
 };
 
-#ifdef CONFIG_ARCH_OMAP2420
+#ifdef CONFIG_SOC_OMAP2420
 static struct map_desc omap242x_io_desc[] __initdata = {
 	{
 		.virtual	= DSP_MEM_2420_VIRT,
@@ -90,7 +90,7 @@
 
 #endif
 
-#ifdef CONFIG_ARCH_OMAP2430
+#ifdef CONFIG_SOC_OMAP2430
 static struct map_desc omap243x_io_desc[] __initdata = {
 	{
 		.virtual	= L4_WK_243X_VIRT,
@@ -241,7 +241,7 @@
 	omap_sram_init();
 }
 
-#ifdef CONFIG_ARCH_OMAP2420
+#ifdef CONFIG_SOC_OMAP2420
 void __init omap242x_map_common_io(void)
 {
 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
@@ -250,7 +250,7 @@
 }
 #endif
 
-#ifdef CONFIG_ARCH_OMAP2430
+#ifdef CONFIG_SOC_OMAP2430
 void __init omap243x_map_common_io(void)
 {
 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));