mmc: sdhci-of-esdhc: fix serious issue clock is always disabled

This patch is to fix a serious issue that clock is always disabled
in esdhc_of_set_clock().

Fixes: 1b21a701 ("mmc: sdhci-of-esdhc: fix clock setting for different controller versions")
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Link: https://lore.kernel.org/r/20200120094835.28050-1-yangbo.lu@nxp.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-of-esdhc.c

@@ -748,7 +748,7 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)
 		esdhc_clock_enable(host, false);
 		esdhc_flush_async_fifo(host);
 	}
-	esdhc_clock_enable(host, false);
+	esdhc_clock_enable(host, true);
 }
 
 static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width)