monarudo-display: actually turn the display off!

The following commit removed the code that called the display_off
panel function:

commit e984076cc333f280270d4eb930d06354b4cb49cb
Author: Chad Froebel <chad0989@rochester.rr.com>
Date:   Sun Jun 2 09:44:29 2013 -0400

    Bulk update video to JB 2.5.1

    Change-Id: I268f5e2fa933a7738bd3262b34b3de33caecc87b

Merge it with lcd_off because don't really need a separate
display_off.

Conflicts:
	arch/arm/mach-msm/board-monarudo-display.c