mx7dsabre: Enable DM_ETH

Also sync device tree with v5.5-rc1
Signed-off-by: Joris Offouga <offougajoris@gmail.com>
diff --git a/arch/arm/dts/imx7d-sdb-u-boot.dtsi b/arch/arm/dts/imx7d-sdb-u-boot.dtsi
new file mode 100644
index 0000000..05dd74e
--- /dev/null
+++ b/arch/arm/dts/imx7d-sdb-u-boot.dtsi
@@ -0,0 +1,3 @@
+&fec2 {
+	status = "disable";
+};