[media] siano: break it into common, mmc and usb

siano is, in fact, 2 drivers: one for MMC and one for USB, plus
a common bus-independent code. Break it accordingly.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/common/siano/Kconfig b/drivers/media/common/siano/Kconfig
new file mode 100644
index 0000000..425aead
--- /dev/null
+++ b/drivers/media/common/siano/Kconfig
@@ -0,0 +1,17 @@
+#
+# Siano Mobile Silicon Digital TV device configuration
+#
+
+config SMS_SIANO_MDTV
+	tristate
+	depends on DVB_CORE && RC_CORE && HAS_DMA
+	depends on SMS_USB_DRV || SMS_SDIO_DRV
+	default y
+	---help---
+	  Choose Y or M here if you have MDTV receiver with a Siano chipset.
+
+	  To compile this driver as a module, choose M here
+	  (The module will be called smsmdtv).
+
+	  Further documentation on this driver can be found on the WWW
+	  at http://www.siano-ms.com/