sh: sh7757: Fix GPIO_FN_ET0_MDIO and GPIO_FN_ET1_MDIO GPIO entries

The GPIO_FN_ET0_MDIO and GPIO_FN_ET1_MDIO GPIO entries incorrectly
reference the ET0_MDC_MARK and ET1_MDC_MARK marks instead of the
ET0_MDIO_MARK and ET1_MDIO_MARK marks. Fix them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/sh/kernel/cpu/sh4a/pinmux-sh7757.c

@@ -1376,9 +1376,9 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	PINMUX_GPIO(GPIO_FN_WE1, WE1_MARK),
 	PINMUX_GPIO(GPIO_FN_RDY, RDY_MARK),
 	PINMUX_GPIO(GPIO_FN_ET0_MDC, ET0_MDC_MARK),
-	PINMUX_GPIO(GPIO_FN_ET0_MDIO, ET0_MDC_MARK),
+	PINMUX_GPIO(GPIO_FN_ET0_MDIO, ET0_MDIO_MARK),
 	PINMUX_GPIO(GPIO_FN_ET1_MDC, ET1_MDC_MARK),
-	PINMUX_GPIO(GPIO_FN_ET1_MDIO, ET1_MDC_MARK),
+	PINMUX_GPIO(GPIO_FN_ET1_MDIO, ET1_MDIO_MARK),
 
 	/* PTB (mobule: INTC, ONFI, TMU) */
 	PINMUX_GPIO(GPIO_FN_IRQ15, IRQ15_MARK),