* '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