mmc: sdhci-pci: enable runtime pm for Intel Merrifield platform

Enable runtime pm support on Intel Merrifield platform.
Signed-off-by: NYunpeng Gao <yunpeng.gao@intel.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-pci.c

@@ -318,6 +318,7 @@ static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot)
 static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = {
 	.quirks		= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
 	.quirks2	= SDHCI_QUIRK2_BROKEN_HS200,
+	.allow_runtime_pm = true,
 	.probe_slot	= intel_mrfl_mmc_probe_slot,
 };