ALSA: core: Add support to handle compressed audio IOCTLs

This is needed to support the compressed audio till the
compressed core is done with development.

Change-Id: Ifbde76e3bd0f354063bf2677dcca2f922fc3aeb9
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>