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/common.c b/arch/arm/mach-omap2/common.c
index 778929f..d5eaee3 100644
--- a/arch/arm/mach-omap2/common.c
+++ b/arch/arm/mach-omap2/common.c
@@ -40,7 +40,7 @@
 
 #endif
 
-#if defined(CONFIG_ARCH_OMAP2420)
+#if defined(CONFIG_SOC_OMAP2420)
 
 static struct omap_globals omap242x_globals = {
 	.class	= OMAP242X_CLASS,
@@ -61,7 +61,7 @@
 }
 #endif
 
-#if defined(CONFIG_ARCH_OMAP2430)
+#if defined(CONFIG_SOC_OMAP2430)
 
 static struct omap_globals omap243x_globals = {
 	.class	= OMAP243X_CLASS,