imx8mp-venice-gw74xx: add w_disable2 gpio configuration

The GW74xx D revision has added a M2SKT_WDIS2# GPIO which routes to the
W_DISABLE2# pin of the M.2 socket.

Add the iomux and a line name for this and rename the existing
m2_wdis# signal to m2_wdis1#.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi
index a90794d..95f5f15 100644
--- a/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi
@@ -98,6 +98,13 @@
 		gpios = <6 GPIO_ACTIVE_HIGH>;
 		line-name = "m2_rst";
 	};
+
+	m2_wdis2 {
+		gpio-hog;
+		output-high;
+		gpios = <14 GPIO_ACTIVE_HIGH>;
+		line-name = "m2_wdis2#";
+	};
 };
 
 &gpio4 {
@@ -110,11 +117,11 @@
 		line-name = "m2_off#";
 	};
 
-	m2_wdis {
+	m2_wdis1 {
 		gpio-hog;
 		output-high;
 		gpios = <18 GPIO_ACTIVE_HIGH>;
-		line-name = "m2_wdis#";
+		line-name = "m2_wdis1#";
 	};
 
 	rs485_en {