BAM client has a new use case where active polling is needed when the pipe is configured in the interrupt mode. Add the support in SPS driver for this use case. Change-Id: I55603de946b77004a38ab1dbca995072e9066f54 Signed-off-by: Yan He <yanhe@codeaurora.org> Signed-off-by: Neha Pandey <nehap@codeaurora.org>