ASoC: pcm: Add support for hostless playback/capture

For playback/capture usecases in which host doesn't exchange
PCM data, audio driver creates hostless pcm devices.
This change squashes the below changes added to support
hostless pcm usecases-
   ASoC: core: Add support for no host mode
   ASoC: core: Update DMA mask for hostless pcm devices
   ASoC: pcm: increase the hostless buffer size
   soc: pcm: add arch_setup_dma_ops call

Change-Id: I82574c88847bcb9aa1a495c3690bba7f4e461979
Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>
Signed-off-by: Neema Shetty <nshetty@codeaurora.org>
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
Signed-off-by: Anish Kumar <kanish@codeaurora.org>
Signed-off-by: Shiv Maliyappanahalli <smaliyap@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>