[svdconv] add protection handling to SvdItem::CopyItem and add SvdItem::SetProtection

Author: ckudera

tools/svdconv/SVDModel/include/SvdItem.h

@@ -183,6 +183,7 @@ class SvdItem : public SvdElement {
   std::string                           GetHierarchicalNameResulting        ();
   std::string                           TryGetHeaderStructName              (SvdItem *item);
   const std::string&                    GetPeripheralName                   ();
+  bool                                  SetProtection                       (SvdTypes::ProtectionType protection) { m_protection = protection; return true; }
   SvdTypes::ProtectionType              GetProtection                       ()                    { return m_protection; }
   std::string                           GetDeriveName                       ();
   SvdItem*                              GetParent                           ()                    { return m_parent; }

tools/svdconv/SVDModel/src/SvdItem.cpp

@@ -895,13 +895,15 @@ bool SvdItem::CopyItem(SvdItem *from)
   const auto  lineNo          = GetLineNumber  ();
   const auto  bitWidth        = GetBitWidth    ();
   const auto  dimElementIndex = GetDimElementIndex();
+  const auto  protection      = GetProtection  ();
 
   if(name     == "")                                { SetName        (from->GetName              ()); }
   if(dispName == "")                                { SetDisplayName (from->GetDisplayName       ()); }
   if(descr    == "")                                { SetDescription (from->GetDescription       ()); }
   if(lineNo   == -1)                                { SetLineNumber  (from->GetLineNumber        ()); }
   if(bitWidth == (int32_t)SvdItem::VALUE32_NOT_INIT){ SetBitWidth    (from->GetBitWidth          ()); }
   if(dimElementIndex == SvdItem::VALUE32_NOT_INIT)  { SetDimElementIndex(from->GetDimElementIndex()); }
+  if(protection == SvdTypes::ProtectionType::UNDEF) { SetProtection  (from->GetProtection        ()); }
 
   string tag = "Copied ";
   const string &oldTag = GetTag();