mmc: tegra: fix SDR50 tuning override

Commit 7ad2ed1d inadvertently mixed up a quirk flag's name and
broke SDR50 tuning override. Use correct NVQUIRK_ name.

Fixes: 7ad2ed1d ("mmc: tegra: enable UHS-I modes")
Cc: <stable@vger.kernel.org>
Acked-by: NAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: NThierry Reding <treding@nvidia.com>
Tested-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NMichał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/9aff1d859935e59edd81e4939e40d6c55e0b55f6.1578390388.git.mirq-linux@rere.qmqm.plSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-tegra.c

@@ -386,7 +386,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
 			misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_DDR50;
 		if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR104)
 			misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_SDR104;
-		if (soc_data->nvquirks & SDHCI_MISC_CTRL_ENABLE_SDR50)
+		if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR50)
 			clk_ctrl |= SDHCI_CLOCK_CTRL_SDR50_TUNING_OVERRIDE;
 	}