pinctrl: sirf: atlas7: constify pinconf_ops, pinctrl_ops, and pinmux_ops structures

This pinmux_ops structure is only stored in the const pmxops field
of a pinctrl_desc structure. Make the pinmux_ops structure const as
well.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/sirf/pinctrl-atlas7.c

@@ -5261,7 +5261,7 @@ static int atlas7_pmx_gpio_request_enable(struct pinctrl_dev *pctldev,
 	return 0;
 }
 
-static struct pinmux_ops atlas7_pinmux_ops = {
+static const struct pinmux_ops atlas7_pinmux_ops = {
 	.get_functions_count = atlas7_pmx_get_funcs_count,
 	.get_function_name = atlas7_pmx_get_func_name,
 	.get_function_groups = atlas7_pmx_get_func_groups,