Audio: MFCC: As workaround convert stream rate error to warning

For unknown reason the rate for MFCC appears as 48 kHz though it
should be 16 kHz after SRC in the same topology pipeline. This
change lets the MFCC module to run and initialize the processing
correctly even if the check fails.

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>

Author: singalsu

src/audio/mfcc/mfcc_setup.c

@@ -128,8 +128,9 @@ int mfcc_setup(struct processing_module *mod, int max_frames, int sample_rate, i
 	}
 
 	if (config->sample_frequency != sample_rate) {
-		comp_err(dev, "Config sample_frequency does not match stream");
-		return -EINVAL;
+		comp_warn(dev, "Config sample_frequency %d does not match stream %d",
+			  config->sample_frequency, sample_rate);
+		sample_rate = config->sample_frequency;
 	}
 
 	cd->max_frames = max_frames;