arm: dts: imx8mm-venice-gw7901: use common u-boot dtsi

Use the common imx8mm-u-boot.dtsi

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 6992d91..a5adf27 100644
--- a/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi
@@ -3,40 +3,7 @@
  * Copyright 2020 Gateworks Corporation
  */
 
-&{/soc@0} {
-	u-boot,dm-pre-reloc;
-	u-boot,dm-spl;
-};
-
-&clk {
-	u-boot,dm-spl;
-	u-boot,dm-pre-reloc;
-	/delete-property/ assigned-clocks;
-	/delete-property/ assigned-clock-parents;
-	/delete-property/ assigned-clock-rates;
-};
-
-&osc_24m {
-	u-boot,dm-spl;
-	u-boot,dm-pre-reloc;
-};
-
-&aips1 {
-	u-boot,dm-spl;
-	u-boot,dm-pre-reloc;
-};
-
-&aips2 {
-	u-boot,dm-spl;
-};
-
-&aips3 {
-	u-boot,dm-spl;
-};
-
-&iomuxc {
-	u-boot,dm-spl;
-};
+#include "imx8mm-u-boot.dtsi"
 
 &gpio1 {
 	u-boot,dm-spl;