Correct a grammatical error.

Link: https://lore.kernel.org/r/20210611043933.17047-1-13145886936@163.comSigned-off-by: gushengxian <gushengxian@yulong.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>