fs/Kconfig: move cramfs out

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

fs/Kconfig

@@ -212,26 +212,7 @@ source "fs/efs/Kconfig"
 source "fs/jffs2/Kconfig"
 # UBIFS File system configuration
 source "fs/ubifs/Kconfig"
-
-config CRAMFS
-	tristate "Compressed ROM file system support (cramfs)"
-	depends on BLOCK
-	select ZLIB_INFLATE
-	help
-	  Saying Y here includes support for CramFs (Compressed ROM File
-	  System).  CramFs is designed to be a simple, small, and compressed
-	  file system for ROM based embedded systems.  CramFs is read-only,
-	  limited to 256MB file systems (with 16MB files), and doesn't support
-	  16/32 bits uid/gid, hard links and timestamps.
-
-	  See <file:Documentation/filesystems/cramfs.txt> and
-	  <file:fs/cramfs/README> for further information.
-
-	  To compile this as a module, choose M here: the module will be called
-	  cramfs.  Note that the root file system (the one containing the
-	  directory /) cannot be compiled as a module.
-
-	  If unsure, say N.
+source "fs/cramfs/Kconfig"
 
 config SQUASHFS
 	tristate "SquashFS 4.0 - Squashed file system support"

fs/cramfs/Kconfig

@@ -0,0 +1,19 @@
+config CRAMFS
+	tristate "Compressed ROM file system support (cramfs)"
+	depends on BLOCK
+	select ZLIB_INFLATE
+	help
+	  Saying Y here includes support for CramFs (Compressed ROM File
+	  System).  CramFs is designed to be a simple, small, and compressed
+	  file system for ROM based embedded systems.  CramFs is read-only,
+	  limited to 256MB file systems (with 16MB files), and doesn't support
+	  16/32 bits uid/gid, hard links and timestamps.
+
+	  See <file:Documentation/filesystems/cramfs.txt> and
+	  <file:fs/cramfs/README> for further information.
+
+	  To compile this as a module, choose M here: the module will be called
+	  cramfs.  Note that the root file system (the one containing the
+	  directory /) cannot be compiled as a module.
+
+	  If unsure, say N.