* 'post' of git://git.denx.de/u-boot-blackfin:
  Blackfin: uart: implement loop callback for post
  Blackfin: bf537-stamp/bf548-ezkit: update POST flash block range
  Blackfin: post: generalize led/button tests with GPIOs
  Blackfin: bf537-stamp: drop uart/flash post tests
  Blackfin: post: drop custom test list
  Blackfin: bf537-stamp: convert to gpio post hotkey