[Bluetooth] Add generic driver for Bluetooth SDIO devices

This patch adds a generic driver for Bluetooth SDIO devices. It
supports Type-A and Type-B devices.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/Kconfig

@@ -22,6 +22,17 @@ config BT_HCIUSB_SCO
 
 	  Say Y here to compile support for SCO over HCI USB.
 
+config BT_HCIBTSDIO
+	tristate "HCI SDIO driver"
+	depends on MMC
+	help
+	  Bluetooth HCI SDIO driver.
+	  This driver is required if you want to use Bluetooth device with
+	  SDIO interface.
+
+	  Say Y here to compile support for Bluetooth SDIO devices into the
+	  kernel or say M to compile it as module (btsdio).
+
 config BT_HCIUART
 	tristate "HCI UART driver"
 	help

drivers/bluetooth/Makefile

@@ -13,6 +13,8 @@ obj-$(CONFIG_BT_HCIBT3C)	+= bt3c_cs.o
 obj-$(CONFIG_BT_HCIBLUECARD)	+= bluecard_cs.o
 obj-$(CONFIG_BT_HCIBTUART)	+= btuart_cs.o
 
+obj-$(CONFIG_BT_HCIBTSDIO)	+= btsdio.o
+
 hci_uart-y				:= hci_ldisc.o
 hci_uart-$(CONFIG_BT_HCIUART_H4)	+= hci_h4.o
 hci_uart-$(CONFIG_BT_HCIUART_BCSP)	+= hci_bcsp.o