drm/bridge: lt9611: Fix an error handling path in lt9611_probe()

drm/bridge: lt9611: Fix an error handling path in lt9611_probe()

If lt9611_audio_init() fails, some resources still need to be released
before returning an error code.

Add the missing goto the error handling path.

Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/9c20eb74d42f6d4128e58e3e46aa320482472b77.1643468761.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Robert Foss <robert.foss@linaro.org>