thermal/drivers/qoriq: Use dev_err_probe() simplify the code

Use dev_err_probe() and devm_clk_get_optional_enabled() to simplify the
code.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20241209164859.3758906-1-Frank.Li@nxp.com


Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>