mmc_set_ios() is used by host drivers during suspend/resume routines in indirect way i.e., by calling host->ops->set_ios(). But now with MMC_CLKGATE enabled, mmc_set_ios() also updates host->clk_gated flag. So export this API so that host controller drivers can use it. Change-Id: Ib0c177635bb8d87ba68c98e08b8d940c73f2b80c Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>