fs/Kconfig: move sysfs out

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

fs/Kconfig

@@ -141,30 +141,7 @@ endif # BLOCK
 menu "Pseudo filesystems"
 
 source "fs/proc/Kconfig"
-
-config SYSFS
-	bool "sysfs file system support" if EMBEDDED
-	default y
-	help
-	The sysfs filesystem is a virtual filesystem that the kernel uses to
-	export internal kernel objects, their attributes, and their
-	relationships to one another.
-
-	Users can use sysfs to ascertain useful information about the running
-	kernel, such as the devices the kernel has discovered on each bus and
-	which driver each is bound to. sysfs can also be used to tune devices
-	and other kernel subsystems.
-
-	Some system agents rely on the information in sysfs to operate.
-	/sbin/hotplug uses device and object attributes in sysfs to assist in
-	delegating policy decisions, like persistently naming devices.
-
-	sysfs is currently used by the block subsystem to mount the root
-	partition.  If sysfs is disabled you must specify the boot device on
-	the kernel boot command line via its major and minor numbers.  For
-	example, "root=03:01" for /dev/hda1.
-
-	Designers of embedded systems may wish to say N here to conserve space.
+source "fs/sysfs/Kconfig"
 
 config TMPFS
 	bool "Virtual memory file system support (former shm fs)"

fs/sysfs/Kconfig

+config SYSFS
+	bool "sysfs file system support" if EMBEDDED
+	default y
+	help
+	The sysfs filesystem is a virtual filesystem that the kernel uses to
+	export internal kernel objects, their attributes, and their
+	relationships to one another.
+
+	Users can use sysfs to ascertain useful information about the running
+	kernel, such as the devices the kernel has discovered on each bus and
+	which driver each is bound to. sysfs can also be used to tune devices
+	and other kernel subsystems.
+
+	Some system agents rely on the information in sysfs to operate.
+	/sbin/hotplug uses device and object attributes in sysfs to assist in
+	delegating policy decisions, like persistently naming devices.
+
+	sysfs is currently used by the block subsystem to mount the root
+	partition.  If sysfs is disabled you must specify the boot device on
+	the kernel boot command line via its major and minor numbers.  For
+	example, "root=03:01" for /dev/hda1.
+
+	Designers of embedded systems may wish to say N here to conserve space.