Merge tag 'xilinx-for-v2018.03' of git://git.denx.de/u-boot-microblaze

Xilinx changes for v2018.03

- Several Kconfig fixes (also moving configs to defconfigs)
- Some DTS updates
- ZynqMP psu rework based on Zynq concept
- Add low level initialization for zc770 and zcu102
- Add support for Zynq zc770 x16 nand configuration
- Add mini nand/emmc ZynqMP targets
- Some arasan nand changes

diff --cc arch/arm/Kconfig
Simple merge

diff --cc arch/arm/dts/Makefile
Simple merge

diff --cc configs/microblaze-generic_defconfig
Simple merge

diff --cc include/configs/zynq-common.h
Simple merge