This patch adds the output interface control to VR41xx SIU driver.
And obsolete function for VR41xx SIU is removed.

And add __init for the function used only for initialization.
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>