Merge tag 'mmc-v3.19-4' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC bugfix from Ulf Hansson:
 "Fix sdhci regulator regression for Qualcomm and Nvidia boards"

* tag 'mmc-v3.19-4' of git://git.linaro.org/people/ulf.hansson/mmc:
  mmc: sdhci: Set SDHCI_POWER_ON with external vmmc