[ARM] spelling fixes

Spelling fixes in arch/arm/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 55a4d3b..88d5b6d 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1172,7 +1172,7 @@
 		break;
 	default:
 		BUG();
-		return;	/* Supress warning about uninitialized vars */
+		return;	/* Suppress warning about uninitialized vars */
 	}
 
 	if (omap_dma_in_1510_mode()) {