uboot-imx

Merge branch 'master' of git://git.denx.de/u-boot-uniphier

  - Fix clk driver
  - Optimize DRAM init code for LD20 SoC
  - Get DRAM information from more reliable source
  - Clean up SoC init code
  - Allow to use Image.gz for booting ARM64 Linux
  - Tidy up environments to use with ATF
  - Clean up I2C drivers