drm/managed: Simplify if condition

The if condition !A || A && B can be simplified to !A || B.

Fixes the following Coccinelle/coccicheck warning reported by
excluded_middle.cocci:

	WARNING !A || A && B is equivalent to !A || B

Compile-tested only.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240701195607.228852-1-thorsten.blum@toblux.com

drivers/gpu/drm/drm_managed.c

@@ -197,7 +197,7 @@ void drmm_release_action(struct drm_device *dev,
 	spin_lock_irqsave(&dev->managed.lock, flags);
 	list_for_each_entry_reverse(dr, &dev->managed.resources, node.entry) {
 		if (dr->node.release == action) {
-			if (!data || (data && *(void **)dr->data == data)) {
+			if (!data || *(void **)dr->data == data) {
 				dr_match = dr;
 				del_dr(dev, dr_match);
 				break;