pico-imx6: Add initial support

Add the initial support for the pico-imx6 variants.

DDR initialization is based on the TechNexion's U-Boot code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
diff --git a/board/technexion/pico-imx6/MAINTAINERS b/board/technexion/pico-imx6/MAINTAINERS
new file mode 100644
index 0000000..dd6fb96
--- /dev/null
+++ b/board/technexion/pico-imx6/MAINTAINERS
@@ -0,0 +1,9 @@
+TECHNEXION PICO-IMX6 BOARD
+M:	Fabio Estevam <festevam@gmail.com>
+S:	Maintained
+F:	arch/arm/dts/imx6qdl-pico.dtsi
+F:	arch/arm/dts/imx6q-pico.dts
+F:	arch/arm/dts/imx6dl-pico.dts
+F:	board/technexion/pico-imx6/
+F:	include/configs/pico-imx6.h
+F:	configs/pico-imx6_defconfig