Bump preferred u-boot release version and kernel git version:
- kernel 4.11.0-rc5
- u-boot 2017.03
Update preferred versions of u-boot and kernel for all the
boards that are using them: nanopi-neo, orange-pi-one, pcduino.
The purpose of this update is to get the latest features for
sun8i cores including SPI support and orange-pi-zero support
Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
