crypto: ux500 - Update error message for dmaengine_prep_slave_sg() API

Commit 7e933d3b1e25b250 ("crypto: ux500: use dmaengine_prep_slave_sg
API") changed the code to use the new API, but forgot to update an error
message.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/ux500/hash/hash_core.c

@@ -184,7 +184,7 @@ static int hash_set_dma_transfer(struct hash_ctx *ctx, struct scatterlist *sg,
 			direction, DMA_CTRL_ACK | DMA_PREP_INTERRUPT);
 	if (!desc) {
 		dev_err(ctx->device->dev,
-			"%s: device_prep_slave_sg() failed!\n", __func__);
+			"%s: dmaengine_prep_slave_sg() failed!\n", __func__);
 		return -EFAULT;
 	}