staging: imx-drm: fix a blank line coding style issue

Add missing blank lines after declaration.

Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/imx-drm/imx-drm-core.c
Simple merge

diff --cc drivers/staging/imx-drm/imx-tve.c
Simple merge

diff --cc drivers/staging/imx-drm/parallel-display.c
Simple merge