pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group

The gether_gmii_mux[] array contains the REF125CK pin mark, but the
gether_gmii_pins[] array lacks the corresponding pin number.

Fixes: bae11d30 ("sh-pfc: r8a7740: Add GETHER pin groups and functions")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>

drivers/pinctrl/sh-pfc/pfc-r8a7740.c

@@ -1969,7 +1969,7 @@ static const unsigned int gether_gmii_pins[] = {
 	 */
 	185, 186, 187, 188, 189, 190, 191, 192, 174, 161, 204,
 	171, 170, 169, 168, 167, 166, 173, 172, 176, 184, 183, 203,
-	205, 163, 206, 207,
+	205, 163, 206, 207, 158,
 };
 static const unsigned int gether_gmii_mux[] = {
 	ET_ERXD0_MARK, ET_ERXD1_MARK, ET_ERXD2_MARK, ET_ERXD3_MARK,