Staging: media: davinci_vpfe: fix indentation issue in vpfe_video.c

This is a patch to the vpfe_video.c file that fixes an indentation
warning reported by checkpatch.pl

Signed-off-by: Leo Sperling <leosperling97@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>