ocfs2: Make OCFS2_FS depend on CONFIGFS_FS

This patch fixes the following kconfig error after changing
CONFIGFS_FS -> select SYSFS:

fs/sysfs/Kconfig:1:error: recursive dependency detected!
fs/sysfs/Kconfig:1: symbol SYSFS is selected by CONFIGFS_FS
fs/configfs/Kconfig:1: symbol CONFIGFS_FS is selected by OCFS2_FS
fs/ocfs2/Kconfig:1: symbol OCFS2_FS depends on SYSFS

Signed-off-by: Nicholas A. Bellinger <[e-mail]>
Cc: Joel Becker <[e-mail]>
Cc: Randy Dunlap <[e-mail]>
Cc: Stephen Rothwell <[e-mail]>
Cc: James Bottomley <[e-mail]>

fs/ocfs2/Kconfig

···
 config OCFS2_FS
 	tristate "OCFS2 file system support"
-	depends on NET && SYSFS
-	select CONFIGFS_FS
+	depends on NET && SYSFS && CONFIGFS_FS
 	select JBD2
 	select CRC32
 	select QUOTA