ASoC: msm: qdsp6v2: support multi-ch and samplerate > 48K for NT wma

NT and compress offload wma mode are exercised, we need to implement
changes in framework so that both have the same restrictions.

Meanwhile, we will remove any limitation in driver to support
multichannel and sample rate more than 48KHz wma playback in NT path.

CRs-Fixed: 870824
Change-Id: I639fb29a880f774502c8b005577cd9c62162c30d
Signed-off-by: Weiyin Jiang <wjiang@codeaurora.org>