ARM: dts: imx: m53menlo: Import M53Menlo DT from Linux

Import iMX53 M53Menlo device tree from Linux next-20190607 3f310e51ceb1 .
Enable DT control in full U-Boot . Add U-Boot extras into separate DTSi,
the GPIO controllers need to be inited early, otherwise m53_set_clock()
won't be able to detect the correct CPU clock frequency by reading the
GPIO.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 528fb90..2271d78 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -535,7 +535,8 @@
 	vf610-bk4r1.dtb
 
 dtb-$(CONFIG_MX53) += imx53-cx9020.dtb \
-	imx53-kp.dtb
+	imx53-kp.dtb \
+	imx53-m53menlo.dtb
 
 dtb-$(CONFIG_MX6Q) += \
 	imx6-apalis.dtb \