drm/imx: imx-tve: use local encoder and connector variables

Introduce local variables for encoder and connector.
This simplifies the following commits.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Philipp Zabel 2020-12-10 16:38:35 +01:00
commit 396852df02