CIFS: Rename *UCS* functions to *UTF16*

to reflect the unicode encoding used by CIFS protocol.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@samba.org>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>

diff --cc fs/cifs/cifs_unicode.c
Simple merge

diff --cc fs/cifs/cifs_unicode.h
Simple merge

diff --cc fs/cifs/cifsencrypt.c
Simple merge

diff --cc fs/cifs/cifssmb.c
Simple merge

diff --cc fs/cifs/connect.c
Simple merge

diff --cc fs/cifs/readdir.c
Simple merge

diff --cc fs/cifs/sess.c
Simple merge

diff --cc fs/cifs/smbencrypt.c
Simple merge