ASoC: SOF: amd: Enable cont_update_posn variable in pcm hw_params.

Enable cont_update_posn variable to  update host position
in streambox for every dma copy.
Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
Link: https://lore.kernel.org/r/20230308084509.1496256-3-Vsujithkumar.Reddy@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/amd/acp-pcm.c

@@ -39,6 +39,7 @@ int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substr
 	platform_params->use_phy_address = true;
 	platform_params->phy_addr = stream->reg_offset;
 	platform_params->stream_tag = stream->stream_tag;
+	platform_params->cont_update_posn = 1;
 
 	/* write buffer size of stream in scratch memory */