dmaengine: ep93xx: fix some typo

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/ep93xx_dma.c

@@ -997,7 +997,7 @@ ep93xx_dma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest,
 	for (offset = 0; offset < len; offset += bytes) {
 		desc = ep93xx_dma_desc_get(edmac);
 		if (!desc) {
-			dev_warn(chan2dev(edmac), "couln't get descriptor\n");
+			dev_warn(chan2dev(edmac), "couldn't get descriptor\n");
 			goto fail;
 		}
 
@@ -1069,7 +1069,7 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 
 		desc = ep93xx_dma_desc_get(edmac);
 		if (!desc) {
-			dev_warn(chan2dev(edmac), "couln't get descriptor\n");
+			dev_warn(chan2dev(edmac), "couldn't get descriptor\n");
 			goto fail;
 		}
 
@@ -1149,7 +1149,7 @@ ep93xx_dma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
 	for (offset = 0; offset < buf_len; offset += period_len) {
 		desc = ep93xx_dma_desc_get(edmac);
 		if (!desc) {
-			dev_warn(chan2dev(edmac), "couln't get descriptor\n");
+			dev_warn(chan2dev(edmac), "couldn't get descriptor\n");
 			goto fail;
 		}