thermal/drivers/qcom/spmi-adc-tm5: Register thermal zones as hwmon sensors

Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220719054940.755907-2-dmitry.baryshkov@linaro.org


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