uboot-imx

Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot

Patch queue for efi - 2019-02-13

Goodness this time around:

  - HII protocol, finally allows us to run the UEFI Shell!
    (experimantal, disabled by default)
  - efi selftest now available on Cortex-M
  - NVMe support for distro boot
  - Lots of code cleanup