Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index c35585c..b197171 100644
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -315,7 +315,7 @@
 	case S3C2410_DMAOP_FLUSH:
 		return s3c64xx_dma_flush(chan);
 
-	/* belive PAUSE/RESUME are no-ops */
+	/* believe PAUSE/RESUME are no-ops */
 	case S3C2410_DMAOP_PAUSE:
 	case S3C2410_DMAOP_RESUME:
 	case S3C2410_DMAOP_STARTED: