spi: 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>
Link: https://lore.kernel.org/r/20220521111145.81697-13-Julia.Lawall@inria.fr
Signed-off-by: Mark Brown <broonie@kernel.org>

include/linux/spi/spi.h

@@ -1127,7 +1127,7 @@ spi_max_transfer_size(struct spi_device *spi)
 	if (ctlr->max_transfer_size)
 		tr_max = ctlr->max_transfer_size(spi);
 
-	/* transfer size limit must not be greater than messsage size limit */
+	/* transfer size limit must not be greater than message size limit */
 	return min(tr_max, msg_max);
 }