staging: media: omap24xx: Added new line after declarations.

This patch fixes "Missing a blank line after declarations" checkpatch.pl
warning in omap24xxcam-dma.c

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>