arm64: dts: imx8mm-venice-gw7901: use imx8mm-venice-u-boot.dtsi

Use the common imx8mm-venice-u-boot.dtsi (dtb for the
'DEFAULT_DEVICE_TREE) so that it inherits things like binman.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi b/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi
index a5adf27..a801ee1 100644
--- a/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi
@@ -3,67 +3,7 @@
  * Copyright 2020 Gateworks Corporation
  */
 
-#include "imx8mm-u-boot.dtsi"
-
-&gpio1 {
-	u-boot,dm-spl;
-};
-
-&gpio2 {
-	u-boot,dm-spl;
-};
-
-&gpio3 {
-	u-boot,dm-spl;
-};
-
-&gpio4 {
-	u-boot,dm-spl;
-};
-
-&gpio5 {
-	u-boot,dm-spl;
-};
-
-&uart2 {
-	u-boot,dm-spl;
-};
-
-&pinctrl_uart2 {
-	u-boot,dm-spl;
-};
-
-&usdhc2 {
-	u-boot,dm-spl;
-};
-
-&pinctrl_usdhc2 {
-	u-boot,dm-spl;
-};
-
-&usdhc3 {
-	u-boot,dm-spl;
-};
-
-&pinctrl_usdhc3 {
-	u-boot,dm-spl;
-};
-
-&i2c1 {
-	u-boot,dm-spl;
-};
-
-&pinctrl_i2c1 {
-	u-boot,dm-spl;
-};
-
-&i2c2 {
-	u-boot,dm-spl;
-};
-
-&pinctrl_i2c2 {
-	u-boot,dm-spl;
-};
+#include "imx8mm-venice-u-boot.dtsi"
 
 &fec1 {
 	phy-reset-gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
@@ -71,6 +11,10 @@
 	phy-reset-post-delay = <1>;
 };
 
+&pinctrl_fec1 {
+	u-boot,dm-spl;
+};
+
 &{/soc@0/bus@30800000/i2c@30a30000/pmic@4b} {
 	u-boot,dm-spl;
 };