[PATCH] pinctrl: fix flexible_array.cocci warnings

[Julia Lawall <julia.lawall@xxxxxxxx>]

From: kernel test robot <lkp@xxxxxxxxx>

Zero-length and one-element arrays are deprecated, see
Documentation/process/deprecated.rst
Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

CC: Joey Gouly <joey.gouly@xxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c5c17547b778975b3d83a73c8d84e8fb5ecf3ba5
commit: a0f160ffcb83de6a04fa75f9e7bdfe969f2863f7 pinctrl: add pinctrl/GPIO driver for Apple SoCs
:::::: branch date: 21 hours ago
:::::: commit date: 5 weeks ago

 pinctrl-apple-gpio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/pinctrl/pinctrl-apple-gpio.c
+++ b/drivers/pinctrl/pinctrl-apple-gpio.c
@@ -36,7 +36,7 @@ struct apple_gpio_pinctrl {
 	struct pinctrl_desc pinctrl_desc;
 	struct gpio_chip gpio_chip;
 	struct irq_chip irq_chip;
-	u8 irqgrps[0];
+	u8 irqgrps[];
 };

 #define REG_GPIO(x)          (4 * (x))