Merge changes Ic6cfa7fb,I260ae216,Ib0c17763 into msm-3.0

* changes:
  mmc: core: Remove BROKEN_CLK_GATING quirk for WCN1314 cards
  mmc: msm_sdcc: fixup for enabling MMC_CLKGATE feature for SDIO cards
  mmc: core: Export mmc_set_ios so that host drivers can use it