Bluetooth: Merge L2CAP and SCO modules into bluetooth.ko

Actually doesn't make sense have these modules built separately.
The L2CAP layer is needed by almost all Bluetooth protocols and profiles.
There isn't any real use case without having L2CAP loaded.
SCO is only essential for Audio transfers, but it is so small that we can
have it loaded always in bluetooth.ko without problems.
If you really doesn't want it you can disable SCO in the kernel config.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index e45eae6..c6f9c2f 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -32,7 +32,7 @@
 	  more information, see <http://www.bluez.org/>.
 
 config BT_L2CAP
-	tristate "L2CAP protocol support"
+	bool "L2CAP protocol support"
 	depends on BT
 	select CRC16
 	help
@@ -40,19 +40,13 @@
 	  connection oriented and connection-less data transport.  L2CAP
 	  support is required for most Bluetooth applications.
 
-	  Say Y here to compile L2CAP support into the kernel or say M to
-	  compile it as module (l2cap).
-
 config BT_SCO
-	tristate "SCO links support"
+	bool "SCO links support"
 	depends on BT
 	help
 	  SCO link provides voice transport over Bluetooth.  SCO support is
 	  required for voice applications like Headset and Audio.
 
-	  Say Y here to compile SCO support into the kernel or say M to
-	  compile it as module (sco).
-
 source "net/bluetooth/rfcomm/Kconfig"
 
 source "net/bluetooth/bnep/Kconfig"