Board information
-----------------
The evaluation board "pbab01" is thought to be used
together with the SOM.
More information on the board can be found on manufacturer's
website:
http://www.phytec.de/produkt/system-on-modules/phyflex-imx-6/
Building U-Boot
-------------------------------
$ make pfla02_defconfig
$ make
This generates the artifacts SPL and u-boot.img.
The SOM can boot from NAND or from SD-Card, having the SPI-NOR
as second option.
The dip switch "SW3" on the board let choose the boot device.
SW3_1(on), SW3_2(on), SW3_3(off): Boot first from SD, then try SPI
SW3_1(off), SW3_2(on), SW3_3(off): Boot from SPI
