staging: typec: fusb302: do not free gpio from managed resource

When allocating a gpio using the managed resource devm_, we can avoid freeing it
manually. But even if we did it we should use devm_gpio_free.

So, just remove the free of the gpio in the error path.

Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Yueyao Zhu <yueyao.zhu@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>