drm/imx: parallel-display: reduce scope of edid_len

The edid_len variable is never used again. Use a local variable instead
of storing it in the device structure.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2020-09-11 14:38:55 +02:00
commit acbb7f1436