pinctrl: stm32: remove useless check

There is no link between the number of elements of tab which contains all
pin desc (located in each pinctrl-stm32xxxx.c files) and the pin number
(defined in the tab).

Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/stm32/pinctrl-stm32.c

@@ -449,11 +449,6 @@ static int stm32_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 		pin = STM32_GET_PIN_NO(pinfunc);
 		func = STM32_GET_PIN_FUNC(pinfunc);
 
-		if (pin >= pctl->match_data->npins) {
-			dev_err(pctl->dev, "invalid pin number.\n");
-			return -EINVAL;
-		}
-
 		if (!stm32_pctrl_is_function_valid(pctl, pin, func)) {
 			dev_err(pctl->dev, "invalid function.\n");
 			return -EINVAL;