Merge branch 'marek.vasut@gmail.com' of git://git.denx.de/u-boot-staging

* 'marek.vasut@gmail.com' of git://git.denx.de/u-boot-staging:
  tools/os_support: add OS X Lion support
  board/esd/dasa_sim/flash.c: Fix GCC 4.6 warning
  board/esd/common/xilinx_jtag_micro.c: Fix GCC 4.6 warning