fs/Kconfig: move ecryptfs out

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

fs/Kconfig

@@ -203,18 +203,7 @@ if MISC_FILESYSTEMS
 
 source "fs/adfs/Kconfig"
 source "fs/affs/Kconfig"
-
-config ECRYPT_FS
-	tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && KEYS && CRYPTO && NET
-	help
-	  Encrypted filesystem that operates on the VFS layer.  See
-	  <file:Documentation/filesystems/ecryptfs.txt> to learn more about
-	  eCryptfs.  Userspace components are required and can be
-	  obtained from <http://ecryptfs.sf.net>.
-
-	  To compile this file system support as a module, choose M here: the
-	  module will be called ecryptfs.
+source "fs/ecryptfs/Kconfig"
 
 config HFS_FS
 	tristate "Apple Macintosh file system support (EXPERIMENTAL)"

fs/ecryptfs/Kconfig

@@ -0,0 +1,11 @@
+config ECRYPT_FS
+	tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && KEYS && CRYPTO && NET
+	help
+	  Encrypted filesystem that operates on the VFS layer.  See
+	  <file:Documentation/filesystems/ecryptfs.txt> to learn more about
+	  eCryptfs.  Userspace components are required and can be
+	  obtained from <http://ecryptfs.sf.net>.
+
+	  To compile this file system support as a module, choose M here: the
+	  module will be called ecryptfs.