pinctrl: st: add IRQCHIP_SKIP_SET_WAKE flag

no .irq_set_wake API is available for pinctrl-st driver.
Add the IRQCHIP_SKIP_SET_WAKE flag to inform irq handler
not to call this API.
Signed-off-by: NDavid Paris <david.paris@st.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-st.c

@@ -1448,6 +1448,7 @@ static struct irq_chip st_gpio_irqchip = {
 	.irq_mask	= st_gpio_irq_mask,
 	.irq_unmask	= st_gpio_irq_unmask,
 	.irq_set_type	= st_gpio_irq_set_type,
+	.flags		= IRQCHIP_SKIP_SET_WAKE,
 };
 
 static int st_gpiolib_register_bank(struct st_pinctrl *info,