dmaengine: ste_dma40: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220521111145.81697-17-Julia.Lawall@inria.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: JuliaLawall

drivers/dma/ste_dma40.c

@@ -1970,7 +1970,7 @@ static int d40_config_memcpy(struct d40_chan *d40c)
 		   dma_has_cap(DMA_SLAVE, cap)) {
 		d40c->dma_cfg = dma40_memcpy_conf_phy;
 
-		/* Generate interrrupt at end of transfer or relink. */
+		/* Generate interrupt at end of transfer or relink. */
 		d40c->dst_def_cfg |= BIT(D40_SREG_CFG_TIM_POS);
 
 		/* Generate interrupt on error. */