pinctrl/nomadik: db8540: fix moduartstmmux_oc4_1 pin group definition.

One group definition was missing, so add it.
Signed-off-by: NJean-Nicolas Graux <jean-nicolas.graux@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-nomadik-db8540.c

@@ -822,6 +822,7 @@ static const struct nmk_pingroup nmk_db8540_groups[] = {
 	DB8540_PIN_GROUP(modaccuarttxrx_oc4_1, NMK_GPIO_ALT_C4),
 	DB8540_PIN_GROUP(modaccuartrtscts_oc4_1, NMK_GPIO_ALT_C4),
 	DB8540_PIN_GROUP(stmmod_oc4_1, NMK_GPIO_ALT_C4),
+	DB8540_PIN_GROUP(moduartstmmux_oc4_1, NMK_GPIO_ALT_C4),
 
 };