Merge changes from topic "imx8ulp_support" into integration

* changes:
  docs(maintainers): add the maintainers for imx8ulp
  docs(imx8ulp): add imx8ulp platform
  fix(imx8ulp): increase the mmap region num
  feat(imx8ulp): adjust the dram mapped region
  feat(imx8ulp): ddrc switch auto low power and software interface
  feat(imx8ulp): add some delay before cmc1 access
  feat(imx8ulp): add a flag check for the ddr status
  fix(imx8ulp): add sw workaround for csi/hotplug test hang
  feat(imx8ulp): adjust the voltage when sys dvfs enabled
  feat(imx8ulp): enable the DDR frequency scaling support
  fix(imx8ulp): fix suspend/resume issue when DBD owner is s400 only
  feat(imx8ulp): update XRDC for ELE to access DDR with CA35 DID
  feat(imx8ulp): add memory region policy
  feat(imx8ulp): protect TEE region for secure access only
  feat(imx8ulp): add trusty support
  feat(imx8ulp): add OPTEE support
  feat(imx8ulp): update the upower config for power optimization
  feat(imx8ulp): allow RTD to reset APD through MU
  feat(imx8ulp): not power off LPAV PD when LPAV owner is RTD
  feat(imx8ulp): add system power off support
  feat(imx8ulp): add APD power down mode(PD) support in system suspend
  feat(imx8ulp): add the basic support for idle & system suspned
  feat(imx8ulp): enable 512KB cache after resume on imx8ulp
  feat(imx8ulp): add the initial XRDC support
  feat(imx8ulp): allocated caam did for the non secure world
  feat(imx8ulp): add i.MX8ULP basic support
  build(changelog): add new scopes for nxp imx8ulp platform
  feat(scmi): add scmi sensor support