MLECO-1868: Code static analyzer warnings fixes

Signed-off-by: alexander <alexander.efremov@arm.com>
Change-Id: Ie423e9cad3fabec6ab077ded7236813fe4933dea
diff --git a/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc b/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
index b173968..ee3aba0 100644
--- a/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
+++ b/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
@@ -38,13 +38,13 @@
                             const bool      lastIteration)
     {
         /* Basic checks. */
-        if (!this->_IsInputValid(tensor, axisIdx)) {
+        if (!this->IsInputValid(tensor, axisIdx)) {
             return false;
         }
 
         /* Irrespective of tensor type, we use unsigned "byte" */
         uint8_t* ptrData = tflite::GetTensorData<uint8_t>(tensor);
-        const uint32_t elemSz = this->_GetTensorElementSize(tensor);
+        const uint32_t elemSz = this->GetTensorElementSize(tensor);
 
         /* Other sanity checks. */
         if (0 == elemSz) {
@@ -58,9 +58,10 @@
         /* Which axis do we need to process? */
         switch (axisIdx) {
             case arm::app::Wav2LetterModel::ms_outputRowsIdx:
-                return this->_EraseSectionsRowWise(ptrData,
-                        elemSz * tensor->dims->data[arm::app::Wav2LetterModel::ms_outputColsIdx],
-                        lastIteration);
+                return this->EraseSectionsRowWise(ptrData,
+                                                  elemSz *
+                                                  tensor->dims->data[arm::app::Wav2LetterModel::ms_outputColsIdx],
+                                                  lastIteration);
             default:
                 printf_err("Unsupported axis index: %u\n", axisIdx);
         }
@@ -68,8 +69,8 @@
         return false;
     }
 
-    bool Postprocess::_IsInputValid(TfLiteTensor*  tensor,
-                                    const uint32_t axisIdx) const
+    bool Postprocess::IsInputValid(TfLiteTensor*  tensor,
+                                   const uint32_t axisIdx) const
     {
         if (nullptr == tensor) {
             return false;
@@ -91,7 +92,7 @@
         return true;
     }
 
-    uint32_t Postprocess::_GetTensorElementSize(TfLiteTensor*  tensor)
+    uint32_t Postprocess::GetTensorElementSize(TfLiteTensor*  tensor)
     {
         switch(tensor->type) {
             case kTfLiteUInt8:
@@ -112,7 +113,7 @@
         return 0;
     }
 
-    bool Postprocess::_EraseSectionsRowWise(
+    bool Postprocess::EraseSectionsRowWise(
                         uint8_t*         ptrData,
                         const uint32_t   strideSzBytes,
                         const bool       lastIteration)