Merge branch 'master' of /home/wd/git/u-boot/custodians

Merge branch 'master' of /home/wd/git/u-boot/custodians

* 'master' of /home/wd/git/u-boot/custodians:
  fsl_esdhc: fix PIO mode transfers
  mmc: tegra2: Implement card-detect hook.
  mmc: fsl_esdhc: Implement card-detect hook.
  mmc: Implement card detection.
  mmc: Change board_mmc_getcd() function prototype.
  drivers/mmc/mv_sdhci.c: Fix build warning
  ftsdc010: improve performance and capability
  mmc: add host_caps checking avoid switch card improperly
  i.mx: fsl_esdhc: add the i.mx6q support