can: ti_hecc: ti_hecc_probe(): add missed clk_disable_unprepare() in error path

The driver forgets to call clk_disable_unprepare() in error path after
a success calling for clk_prepare_enable().

Fix it by adding a clk_disable_unprepare() in error path.

Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1594973079-27743-1-git-send-email-zhangchangzhong@huawei.com


Fixes: befa6011 ("can: ti_hecc: add missing prepare and unprepare of the clock")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>