ASoC: compress: propagate the error code from the compress framework

Propagate the error code from the compress framework for the timestamp
query. This error code will be used by the client to handle the
error case scenarios gracefully.

CRs-Fixed: 683288
Change-Id: I68ad14d52327dd0156531fe8d17ac54ba110fdf6
Signed-off-by: Aviral Gupta <aviralg@codeaurora.org>