Merge branch 'tracking-qcomlt-cpuidle' into integration-linux-qcomlt

* tracking-qcomlt-cpuidle:
  qcom: spm: ignore scm return value in power down path.
  qcom: cpuidle: Add cpuidle driver for QCOM cpus
  qcom: spm: Add Subsystem Power Manager driver
  qcom: scm: Add SCM warmboot support for quad core SoCs
  qcom: scm: Move scm-boot files to drivers/soc/qcom/ and include/soc/qcom
  ARM: qcom: scm: Add atomic SCM APIs
  ARM: qcom: scm: Move the scm driver to drivers/soc/qcom
  ARM: qcom: scm: Add logging of actual return code from scm call
  ARM: qcom: scm: Flush the command buffer only instead of the entire cache
  ARM: qcom: scm: Get cacheline size from CTR
  ARM: qcom: scm: Fix incorrect cache invalidation