spelling fixes: arch/sh/

Spelling fixes in arch/sh/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c
index e062067..8057a27 100644
--- a/arch/sh/drivers/dma/dma-api.c
+++ b/arch/sh/drivers/dma/dma-api.c
@@ -115,7 +115,7 @@
 /**
  * request_dma_bycap - Allocate a DMA channel based on its capabilities
  * @dmac: List of DMA controllers to search
- * @caps: List of capabilites
+ * @caps: List of capabilities
  *
  * Search all channels of all DMA controllers to find a channel which
  * matches the requested capabilities. The result is the channel