xc3sprog: move the directory to pkgs/development/embedded/

pkgs/top-level/all-packages.nix

···
 
   webdis = callPackage ../development/tools/database/webdis { };
 
-  xc3sprog = callPackage ../development/tools/misc/xc3sprog { };
+  xc3sprog = callPackage ../development/embedded/xc3sprog { };
 
   xcb-imdkit = callPackage ../development/libraries/xcb-imdkit { };