pinctrl: armada-37xx: Remove unneeded semicolon

Fixes coccicheck warning:

drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:736:2-3: Unneeded semicolon
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:803:2-3: Unneeded semicolon

Fixes: commit 5715092a458c ("pinctrl: armada-37xx: Add gpio support")
commit 2f227605394b ("pinctrl: armada-37xx: Add irqchip support")

Signed-off-by: Ma Feng <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/mvebu/pinctrl-armada-37xx.c

···
 			ret = 0;
 			break;
 		}
-	};
+	}
 	if (ret) {
 		dev_err(dev, "no gpio-controller child node\n");
 		return ret;
···
 			ret = 0;
 			break;
 		}
-	};
+	}
 	if (ret)
 		return ret;