arm: imx6ul: Add Engicam Is.IoT MX6UL Starter Kit initial support

Boot from MMC:
-------------
U-Boot SPL 2017.01-rc2-gba3c151-dirty (Jan 02 2017 - 16:59:33)
Trying to boot from MMC1

U-Boot 2017.01-rc2-gba3c151-dirty (Jan 02 2017 - 16:59:33 +0100)

CPU:   Freescale i.MX6UL rev1.1 528 MHz (running at 396 MHz)
CPU:   Industrial temperature grade (-40C to 105C) at 33C
Reset cause: POR
Model: Engicam Is.IoT MX6UL Starterkit
DRAM:  512 MiB
MMC:   FSL_SDHC: 0
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   CPU Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot:  0
isiotmx6ul>

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 744d67a..928cdb4 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -241,6 +241,15 @@
 	select DM_MMC
 	select DM_THERMAL
 	select SUPPORT_SPL
+config TARGET_MX6UL_ISIOT
+	bool "Support Engicam Is.IoT MX6UL"
+	select MX6UL
+	select OF_CONTROL
+	select DM
+	select DM_GPIO
+	select DM_MMC
+	select DM_THERMAL
+	select SUPPORT_SPL
 
 config TARGET_MX6ULL_14X14_EVK
 	bool "Support mx6ull_14x14_evk"
@@ -362,6 +371,7 @@
 source "board/engicam/geam6ul/Kconfig"
 source "board/engicam/icorem6/Kconfig"
 source "board/engicam/icorem6_rqs/Kconfig"
+source "board/engicam/isiotmx6ul/Kconfig"
 source "board/freescale/mx6qarm2/Kconfig"
 source "board/freescale/mx6qsabreauto/Kconfig"
 source "board/freescale/mx6sabresd/Kconfig"