add libmcp and libpifacedigital

Makefile

@@ -1,13 +1,14 @@
 CXX = g++
 CXXFLAGS = -Wall -Wextra -Werror -pedantic -std=c++1y -g3 -ggdb3
 SRC = main.cpp mainclass.cpp
+LDLIBS = -lpifacedigital -lmcp23s17
 OBJ = $(addprefix src/, $(SRC:.cpp=.o))
 
 
 all: camotion-pifaceo
 
 camotion-pifaceo: $(OBJ)
-	$(LINK.cpp) $(OBJ) $(OUTPUT_OPTION)
+	$(LINK.cpp) $(OBJ) $(OUTPUT_OPTION) $(LDLIBS)
 
 clean:
 	rm -f $(OBJ)