Code refactor

This commit:
- Optimizes usage of std::unordered map
- Corrects variables naming and output messages
- Minor changes in using std::string methods
Signed-off-by: Kacper Nowak <kacper.nowak@intel.com>

shared/source/device_binary_format/yaml/yaml_parser.h

@@ -670,8 +670,7 @@ inline bool YamlParser::readValueChecked<std::string>(const Node &node, std::str
     if (Token::Type::LiteralString != token.traits.type) {
         return false;
     }
-    outValue.resize(token.len);
-    std::copy(token.pos, token.pos + token.len, outValue.begin());
+    outValue.assign(token.pos, token.len);
     return true;
 }
 } // namespace Yaml

shared/source/device_binary_format/zebin_decoder.cpp

@@ -1395,6 +1395,7 @@ DecodeError decodeSingleDeviceBinary<NEO::DeviceBinaryFormat::Zebin>(ProgramInfo
         if (DecodeError::Success != zeInfoErr) {
             return zeInfoErr;
         }
+        dst.globalsDeviceToHostNameMap.reserve(globalHostAccessMapping.size());
         for (auto it = globalHostAccessMapping.begin(); it != globalHostAccessMapping.end(); it++) {
             dst.globalsDeviceToHostNameMap[it->deviceName] = it->hostName;
         }