drm: bridge: icn6211: Mark module exit callback with __exit

Fix copy-paste error, module exit function should be marked with __exit
instead of __init.

Fixes: 8dde6f74 ("drm: bridge: icn6211: Add I2C configuration support")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
To: dri-devel@lists.freedesktop.org
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220406014250.902187-1-marex@denx.deReviewed-by: Robert Foss <robert.foss@linaro.org>

drivers/gpu/drm/bridge/chipone-icn6211.c

@@ -677,7 +677,7 @@ static int __init chipone_init(void)
 }
 module_init(chipone_init);
 
-static void __init chipone_exit(void)
+static void __exit chipone_exit(void)
 {
 	i2c_del_driver(&chipone_i2c_driver);