linux-phytec-fsl

platform: Do not detach from PM domains on shutdown

Shutdown is carried out when the driver is still bound to the
device, so it is incorrect to detach it from a PM domain (if any)
at this point.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reported-and-tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>