media: i2c: imx412: Fix power_off ordering

commit 9a199694 upstream.

The enable path does
- gpio
- clock

The disable path does
- gpio
- clock

Fix the order on the power-off path so that power-off and power-on have the
same ordering for clock and gpio.

Fixes: 9214e86c ("media: i2c: Add imx412 camera sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>