mmc: bcm281xx SDHCI driver

Add SDHCI driver for the Broadcom 281xx SoCs.

Still missing:
 - power managemement

Signed-off-by: Christian Daudt <csd@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 1be2289..8a4c066 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -249,6 +249,17 @@
 
 	  YMMV.
 
+config MMC_SDHCI_BCM_KONA
+	tristate "SDHCI support on Broadcom KONA platform"
+	depends on ARCH_BCM
+	select MMC_SDHCI_PLTFM
+	help
+	  This selects the Broadcom Kona Secure Digital Host Controller
+	  Interface(SDHCI) support.
+	  This is used in Broadcom mobile SoCs.
+
+	  If you have a controller with this interface, say Y or M here.
+
 config MMC_SDHCI_BCM2835
 	tristate "SDHCI platform support for the BCM2835 SD/MMC Controller"
 	depends on ARCH_BCM2835