imx: Add PHYTEC phyBOARD-i.MX6UL-Segin

Port for the PHYTEC phyBOARD-i.MX6UL-Segin single board computer. Based on
the PHYTEC phyCORE-i.MX6UL SOM (PCL063).

CPU:   Freescale i.MX6UL rev1.2 528 MHz (running at 396 MHz)
CPU:   Industrial temperature grade (-40C to 105C) at 44C
Reset cause: POR
Board: PHYTEC phyCORE-i.MX6UL
I2C:   ready
DRAM:  256 MiB
NAND:  512 MiB
MMC:   FSL_SDHC: 0
In:    serial
Out:   serial
Err:   serial
Net:   FEC0

Working:
 - Eth0
 - i2C
 - MMC/SD
 - NAND
 - UART (1 & 5)
 - USB (host & otg)

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5c3225b..0e0bad9 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -459,7 +459,8 @@
 	imx6ul-isiot-nand.dtb \
 	imx6ul-opos6uldev.dtb \
 	imx6ul-14x14-evk.dtb \
-	imx6ul-9x9-evk.dtb
+	imx6ul-9x9-evk.dtb \
+	imx6ul-phycore-segin.dtb
 
 dtb-$(CONFIG_MX6ULL) += imx6ull-14x14-evk.dtb