Fixed bug with driver-side exclusions for memory reads, in the EdbgAvr8Interface.

The driver was issuing memory reads for 0 bytes. This was causing issues with some EDBG debug tools.

src/DebugToolDrivers/Protocols/CMSIS-DAP/VendorSpecific/EDBG/AVR/EdbgAvr8Interface.cpp

@@ -1233,13 +1233,17 @@ TargetMemoryBuffer EdbgAvr8Interface::readMemory(
                 continue;
             }
 
+            const auto segmentSize = excludedAddress - segmentStartAddress;
+            if (segmentSize > 0) {
                 auto segmentBuffer = this->readMemory(
                     type,
                     segmentStartAddress,
-                (excludedAddress - segmentStartAddress)
+                    segmentSize
                 );
 
                 output.insert(output.end(), segmentBuffer.begin(), segmentBuffer.end());
+            }
+
             output.emplace_back(0x00);
 
             segmentStartAddress = excludedAddress + 1;