mmc: sdhci-pci: support runtime PM for BYT SD cards

Add support for runtime PM for BYT SD cards.

Signed-off-by: Adrian Hunter <[e-mail]>
Signed-off-by: Chris Ball <[e-mail]>

drivers/mmc/host/sdhci-pci.c

···
 };
 
 static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
+	.quirks2	= SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON,
+	.allow_runtime_pm = true,
 };
 
 /* O2Micro extra registers */