Merge branch 'tracking-qcomlt-arm64' into integration-linux-qcomlt

* tracking-qcomlt-arm64: (32 commits)
  arm64: config: Update defconfig to enable msm bus scaling
  defconfig: bt: Disable old SMD TTY for BT and enable new HCI BT.
  arm64: dma-mapping: map sg lists into the SMMU as virtually contiguous
  arm64: dma-mapping: fix DMA_ATTR_STRONGLY_ORDERED in __get_dma_pgprot
  arm64: mm: Fix a bug in iommu dma-mapping
  arm64: dma-mapping: add support for IOMMU mapper
  arm64: Add support for DMA_ATTR_STRONGLY_ORDERED
  arm: Add option to skip buffer zeroing
  common: DMA-mapping: Add strongly ordered memory attribute
  arm64: defconfig: add missing QCOM specific configs
  defconfig: add tsens and spmi regulator support
  arm64: defconfig: Enable drivers for WCNSS
  arm64: defconfig: qcom: enable iommu v1 in defconfig
  arm64: defconfig:  Enable CPU frequency scaling
  arm64: defconfig: Enable CPR driver
  arm64: defconfig: Enable SPMI regulator driver
  arm64: defconfig: Enable A53 CPU clock
  arm64: defconfig: Clean-up defconfig with savedefconfig
  arm64: defconfig: remove 8064 rpm clock controller selection.
  arm64: defconfig: Enable LED drivers
  ...