Merge tag 'fpga-for-v2018.11' of git://git.denx.de/u-boot-microblaze

FPGA changes for v2018.11

- add fpga tests to cover fpga commands
- fpga Kconfig cleanup
- fix cmd/fpga.c
- add support for missing fpga loadmk commands
- add fpga fragment to MAINTAINERS

diff --cc MAINTAINERS
Simple merge