pinctrl: stm32: replace device_initcall() with arch_initcall()

Pinctrl has to be registered earlier. Mainly to register bank irqdomain
earlier as other devices could use interrupts from those irqdomain.
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/stm32/pinctrl-stm32f429.c

@@ -1584,4 +1584,8 @@ static struct platform_driver stm32f429_pinctrl_driver = {
 	},
 };
 
-builtin_platform_driver(stm32f429_pinctrl_driver);
+static int __init stm32f429_pinctrl_init(void)
+{
+	return platform_driver_register(&stm32f429_pinctrl_driver);
+}
+arch_initcall(stm32f429_pinctrl_init);

drivers/pinctrl/stm32/pinctrl-stm32f746.c

@@ -1678,4 +1678,9 @@ static struct platform_driver stm32f746_pinctrl_driver = {
 		.of_match_table = stm32f746_pctrl_match,
 	},
 };
-builtin_platform_driver(stm32f746_pinctrl_driver);
+
+static int __init stm32f746_pinctrl_init(void)
+{
+	return platform_driver_register(&stm32f746_pinctrl_driver);
+}
+arch_initcall(stm32f746_pinctrl_init);

drivers/pinctrl/stm32/pinctrl-stm32h743.c

@@ -1977,4 +1977,8 @@ static struct platform_driver stm32h743_pinctrl_driver = {
 	},
 };
 
-builtin_platform_driver(stm32h743_pinctrl_driver);
+static int __init stm32h743_pinctrl_init(void)
+{
+	return platform_driver_register(&stm32h743_pinctrl_driver);
+}
+arch_initcall(stm32h743_pinctrl_init);