WIP: ARM: dts: fix Ethernet on WeTek Hub/Play2

Placing the snps,reset content needed for Ethernet to probe in a common uboot.dtsi
results in the content not being used and broken Ethernet. Fix this by creating two
board specific dtsi files with the right content.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>

arch/arm/dts/meson-gxbb-wetek-hub-u-boot.dtsi

@@ -0,0 +1,14 @@
+
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include "meson-gx-u-boot.dtsi"
+
+&ethmac {
+	snps,reset-gpio = <&gpio GPIOZ_14 0>;
+	snps,reset-delays-us = <0 10000 1000000>;
+	snps,reset-active-low;
+};