fs: fix inode.c kernel-doc warning

Fix inode.c kernel-doc fatal error: 2 comment sections have the same name:

  Error(fs/inode.c:1171): duplicate section name 'Note'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>