Merge branch 'master' of git://git.denx.de/u-boot-nds32

* 'master' of git://git.denx.de/u-boot-nds32:
  board/adp-ag102: add configuration of adp-ag102
  board/adp-ag102: add board specific files
  nds32/ag102: add ag102 soc support
  nds32/ag102: add header support of ag102 soc