mmc: fsl_esdhc_imx: fix mmc->clock with actual clock

[ fsl_esdhc commit 30f6444d02 ]

Fix mmc->clock with actual clock which is divided by the
controller, and record it with priv->clock.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

drivers/mmc/fsl_esdhc_imx.c

@@ -665,6 +665,7 @@ static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
 	esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_CKEN);
 #endif
 
+	mmc->clock = sdhc_clk / pre_div / div;
 	priv->clock = clock;
 }