omap2/3/4: Replace orred CONFIG_ARCH_OMAP2/3/4 with CONFIG_ARCH_OMAP2PLUS

omap: Replace orred CONFIG_ARCH_OMAP2/3/4 with CONFIG_ARCH_OMAP2PLUS

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 728c642..30ff525f 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1870,8 +1870,7 @@
 #define omap1_dma_irq_handler	NULL
 #endif
 
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
-			defined(CONFIG_ARCH_OMAP4)
+#ifdef CONFIG_ARCH_OMAP2PLUS
 
 static int omap2_dma_handle_ch(int ch)
 {