Merge tag 'mmc-v4.3-rc5' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC bugfix from Ulf Hansson:
 "Here's yet another MMC fix intended for v4.3 rc7.  I don't expect to
  send any further pull requests for 4.3 rc[n].

  MMC core:
   - Don't re-tune in the reset sequence to allow re-init of the card"

* tag 'mmc-v4.3-rc5' of git://git.linaro.org/people/ulf.hansson/mmc:
  mmc: core: Fix init_card in 52Mhz