hal: Avoid derive playback snd device for capture usecase

In case of capture usecase, out stream would be invalid.
Avoid calling derive_playback_snd_device() if usecase type is
capture to avoid invalid out stream access.

CRs-Fixed: 2022593
Change-Id: Ibfcad0446ca2dd12f4167aa4ae91ea8e0cfc8e61