pinctrl: xway: fix typo

A typo in the previous commit to this file needs fixing.

Cc: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 6b4316aecec0 ("pinctrl: xway: Change structure initialisation to c99 style")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-xway.c

@@ -1647,7 +1647,7 @@ static struct pinctrl_xway_soc danube_pinctrl = {
 	.funcs = danube_funcs,
 	.num_funcs = ARRAY_SIZE(danube_funcs),
 	.exin = danube_exin_pin_map,
-	.num-exin = 3
+	.num_exin = 3
 };
 
 /* XWAY xRX100 Family */