audio: microwakeword: update models for keywords

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microWakeWord Streaming Verification Report (Threshold: 0.65)
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  Class              Role         Files   Detected     Rate  Mean Peak
  -------------------------------------------------------------
  silence            Negative       500          2     0.4%     0.020
  unknown            Negative      1500         18     1.2%     0.019
  strawberry         Positive      3000       3000   100.0%     0.996
  -------------------------------------------------------------
  Overall Wake Word Recall (True Positive Rate) : 100.00% (3000/3000)
  Overall False Alarm Rate (False Positive Rate):   1.00% (20/2000)
  Precision                                     :  99.34%
=================================================================

=================================================================
microWakeWord Streaming Verification Report (Threshold: 0.65)
=================================================================
  Class              Role         Files   Detected     Rate  Mean Peak
  -------------------------------------------------------------
  silence            Negative       500         46     9.2%     0.126
  unknown            Negative      1500          9     0.6%     0.013
  banana             Positive      3000       2940    98.0%     0.985
  -------------------------------------------------------------
  Overall Wake Word Recall (True Positive Rate) :  98.00% (2940/3000)
  Overall False Alarm Rate (False Positive Rate):   2.75% (55/2000)
  Precision                                     :  98.16%
=================================================================

=================================================================
microWakeWord Streaming Verification Report (Threshold: 0.65)
=================================================================
  Class              Role         Files   Detected     Rate  Mean Peak
  -------------------------------------------------------------
  silence            Negative       500         35     7.0%     0.082
  unknown            Negative      1500         25     1.7%     0.027
  orange             Positive      3000       3000   100.0%     0.996
  -------------------------------------------------------------
  Overall Wake Word Recall (True Positive Rate) : 100.00% (3000/3000)
  Overall False Alarm Rate (False Positive Rate):   3.00% (60/2000)
  Precision                                     :  98.04%
=================================================================

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

Author: singalsu