PM / QoS: Reorder pm_qos/freq_qos/dev_pm_qos structs

This allows dev_pm_qos to embed freq_qos structs, which is done in the
next patch. Separate commit to make it easier to review.

Change-Id: Iec9ff5a1a890e9dd59626c9731b1a8dbfeeb5121
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Git-commit: 342035f66c866f4ad750477b21b210e98d1f6818
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>