Added SDI physical interface

src/Targets/TargetDescription/TargetDescriptionFile.cpp

@@ -162,6 +162,7 @@ namespace Targets::TargetDescription
             {"jtag", TargetPhysicalInterface::JTAG},
             {"pdi", TargetPhysicalInterface::PDI},
             {"isp", TargetPhysicalInterface::ISP},
+            {"sdi", TargetPhysicalInterface::SDI},
         };
 
         auto output = std::set<TargetPhysicalInterface>{};

src/Targets/TargetPhysicalInterface.cpp

@@ -9,6 +9,7 @@ namespace Targets
             {TargetPhysicalInterface::PDI, "PDI"},
             {TargetPhysicalInterface::JTAG, "JTAG"},
             {TargetPhysicalInterface::UPDI, "UPDI"},
+            {TargetPhysicalInterface::SDI, "SDI"},
         };
     }
 }

src/Targets/TargetPhysicalInterface.hpp

@@ -13,6 +13,7 @@ namespace Targets
         DEBUG_WIRE,
         PDI,
         UPDI,
+        SDI,
     };
 
     /**