sdhci-pci: unaligned data with ricoh controllers

The Ricoh controllers cannot handle unaligned data blocks.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 8554466..c0fbf48 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -91,6 +91,7 @@
 
 static const struct sdhci_pci_fixes sdhci_ricoh = {
 	.probe		= ricoh_probe,
+	.quirks		= SDHCI_QUIRK_32BIT_DMA_ADDR,
 };
 
 static const struct sdhci_pci_fixes sdhci_ene_712 = {