Added usage of dma_parent phandle instead of using parent-child
method to get DMA base address.
Signed-off-by: Anisetti Avinash Krishna <anisetti.avinash.krishna@intel.com>
Added intel LPSS DMA interface using dw common to support
usage of internal DMA in LPSS UART, SPI and I2C for
transfer and receive operations.
Signed-off-by: Anisetti Avinash Krishna <anisetti.avinash.krishna@intel.com>