asoc: msm-lsm-client: add support for ADSP Generic Detection Event

ADSP detection engine module can raise Generic Detection Event to
provide variable payload data based on the information requested by
userspace. Adding new API/interface to provide support for Generic
Detection Event in LSM drivers.

Change-Id: Id5541f959ecdcf862dcfa1de1c1a1b3a796f260c
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>