avrdude: Build avrdude-slic3r by default

src/avrdude/CMakeLists.txt

@@ -92,7 +92,6 @@ add_dependencies(avrdude gen_conf_h)
 
 add_executable(avrdude-slic3r main-standalone.c)
 target_link_libraries(avrdude-slic3r avrdude)
-set_target_properties(avrdude-slic3r PROPERTIES EXCLUDE_FROM_ALL TRUE)
 
 if (WIN32)
     target_compile_definitions(avrdude PRIVATE WIN32NATIVE=1)

src/avrdude/main-standalone.c

@@ -1,9 +1,7 @@
 #include "avrdude.h"
 
 
-static const char* SYS_CONFIG = "/etc/avrdude-slic3r.conf";
-
 int main(int argc, char *argv[])
 {
-	return avrdude_main(argc, argv, SYS_CONFIG);
+	return avrdude_main(argc, argv);
 }