Merge 'pmdomain' from https://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git (next)

Merged-SHA: f618e63c6baf02619097ea67693817b8122c5f1a

 .../devicetree/bindings/power/power-domain.yaml    |  34 ++++
 .../devicetree/bindings/power/qcom,rpmpd.yaml      |   2 +
 drivers/pmdomain/arm/scmi_pm_domain.c              |  15 +-
 drivers/pmdomain/core.c                            | 189 +++++++++++++++++++--
 drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c       |   4 +-
 drivers/pmdomain/qcom/Kconfig                      |   2 +-
 drivers/pmdomain/qcom/rpmhpd.c                     |  35 ++++
 drivers/pmdomain/qcom/rpmpd.c                      |   7 +
 drivers/pmdomain/sunxi/sun55i-pck600.c             |  31 ++--
 include/dt-bindings/power/qcom,rpmhpd.h            |  18 +-
 include/linux/pm_domain.h                          |  16 ++
 11 files changed, 318 insertions(+), 35 deletions(-)