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

* 'master' of git://git.denx.de/u-boot-mmc:
  mmc: make mmc_send_status() more reliable
  mmc: fix card busy polling
  Tegra: mmc: Fixed handling of interrupts in timeouts.
  omap_hsmmc: Wait for CMDI to be clear