MIPS: ath79: add AR933X specific GPIO initialization

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Kathy Giori <kgiori@qca.qualcomm.com>
Cc: "Luis R.  Rodriguez" <rodrigue@qca.qualcomm.com>
Patchwork: https://patchwork.linux-mips.org/patch/2524/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/ath79/gpio.c b/arch/mips/ath79/gpio.c
index a0c426b..a2f8ca6 100644
--- a/arch/mips/ath79/gpio.c
+++ b/arch/mips/ath79/gpio.c
@@ -153,6 +153,8 @@
 		ath79_gpio_count = AR724X_GPIO_COUNT;
 	else if (soc_is_ar913x())
 		ath79_gpio_count = AR913X_GPIO_COUNT;
+	else if (soc_is_ar933x())
+		ath79_gpio_count = AR933X_GPIO_COUNT;
 	else
 		BUG();