hal: audio_hw: Resolve Rx mute during teams call

Mute is observed in rx path during call as channel
mapping is not correct. This is due to sequence change
after enabling haptics. Move set_stream_channel_map
before pcm_prepare to resolve issue.

Change-Id: I70b6001fa814d5cd45735b49d423c50e76ba9b72
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>