ARM: dts: imx6ul: segin: Add phyBOARD-Segin with eMMC phyCORE-i.MX6UL

Add a PHYTEC phyBOARD-Segin full featured with phyCORE-i.MX 6UL with
eMMC and following features:
- i.MX 6UL
- 512 MB RAM
- eMMC
- USB Host/OTG
- 2x 100 Mbit/s Ethernet
- RS232
- CAN

Signed-off-by: Yunus Bas <[e-mail]>
Signed-off-by: Stefan Riedmueller <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/Makefile

···
 	imx6ul-pico-dwarf.dtb \
 	imx6ul-pico-hobbit.dtb \
 	imx6ul-pico-pi.dtb \
+	imx6ul-phytec-segin-ff-rdk-emmc.dtb \
 	imx6ul-phytec-segin-ff-rdk-nand.dtb \
 	imx6ul-tx6ul-0010.dtb \
 	imx6ul-tx6ul-0011.dtb \

arch/arm/boot/dts/imx6ul-phytec-segin-ff-rdk-emmc.dts

···
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (C) 2020 PHYTEC Messtechnik GmbH
+ * Author: Yunus Bas <[e-mail]>
+ */
+
+/dts-v1/;
+#include "imx6ul.dtsi"
+#include "imx6ul-phytec-phycore-som.dtsi"
+#include "imx6ul-phytec-segin.dtsi"
+#include "imx6ul-phytec-segin-peb-eval-01.dtsi"
+
+/ {
+	model = "PHYTEC phyBOARD-Segin i.MX6 UltraLite Full Featured with eMMC";
+	compatible = "phytec,imx6ul-pbacd10-emmc", "phytec,imx6ul-pbacd10",
+		     "phytec,imx6ul-pcl063","fsl,imx6ul";
+};
+
+&adc1 {
+	status = "okay";
+};
+
+&can1 {
+	status = "okay";
+};
+
+&ecspi3 {
+	status = "okay";
+};
+
+&ethphy1 {
+	status = "okay";
+};
+
+&ethphy2 {
+	status = "okay";
+};
+
+&fec1 {
+	status = "okay";
+};
+
+&fec2 {
+	status = "okay";
+};
+
+&i2c_rtc {
+	status = "okay";
+};
+
+&reg_can1_en {
+	status = "okay";
+};
+
+&reg_sound_1v8 {
+	status = "okay";
+};
+
+&reg_sound_3v3 {
+	status = "okay";
+};
+
+&sai2 {
+	status = "okay";
+};
+
+&sound {
+	status = "okay";
+};
+
+&tlv320 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&usbotg1 {
+	status = "okay";
+};
+
+&usbotg2 {
+	status = "okay";
+};
+
+&usdhc1 {
+	status = "okay";
+};
+
+&usdhc2 {
+	status = "okay";
+};