ARM: dts: at91: VInCo: fix phy reset gpio flag

Fix gpio active flag for the phy reset-gpios property. The line is
active low instead of active high.
Actually, this flags was never used by the macb driver.
Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91-vinco.dts

@@ -118,7 +118,7 @@ macb0: ethernet@f8020000 {
 
 				ethernet-phy@1 {
 					reg = <0x1>;
-					reset-gpios = <&pioE 8 GPIO_ACTIVE_HIGH>;
+					reset-gpios = <&pioE 8 GPIO_ACTIVE_LOW>;
 					interrupt-parent = <&pioB>;
 					interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
 				};
@@ -162,7 +162,7 @@ ethernet-phy@1 {
 					reg = <0x1>;
 					interrupt-parent = <&pioB>;
 					interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
-					reset-gpios = <&pioE 6 GPIO_ACTIVE_HIGH>;
+					reset-gpios = <&pioE 6 GPIO_ACTIVE_LOW>;
 				};
 			};