ioctl_compat: handle FITRIM

The FITRIM ioctl has the same arguments on 32-bit and 64-bit
architectures, so we can add it to the list of compatible ioctls and
drop it from compat_ioctl method of various filesystems.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Ted Ts'o <tytso@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc fs/compat_ioctl.c
Simple merge

diff --cc fs/ecryptfs/file.c
Simple merge

diff --cc fs/ext4/ioctl.c
Simple merge

diff --cc fs/jfs/ioctl.c
Simple merge

diff --cc fs/nilfs2/ioctl.c
Simple merge

diff --cc fs/ocfs2/ioctl.c
Simple merge